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Sample set d

Use a calculator to perform each division.

328 ÷ 8 size 12{"328" div 8} {}

Type 328
Press ÷
Type 8
Press =

The display now reads 41.

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53 , 136 ÷ 82 size 12{"53","136" div "82"} {}

Type 53136
Press ÷
Type 82
Press =

The display now reads 648.

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730 , 019 , 001 ÷ 326 size 12{"730","019","001" div "326"} {}

We first try to enter 730,019,001 but find that we can only enter 73001900. If our calculator has only an eight-digit display (as most nonscientific calculators do), we will be unable to use the calculator to perform this division.

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3727 ÷ 49 size 12{"3727" div "49"} {}

Type 3727
Press ÷
Type 49
Press =

The display now reads 76.061224.

This number is an example of a decimal number (see [link] ). When a decimal number results in a calculator division, we can conclude that the division produces a remainder.

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Practice set d

Use a calculator to perform each division.

3, 330 ÷ 74 size 12{3,"330" div "74"} {}

45

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63 , 365 ÷ 115 size 12{"63","365" div "115"} {}

551

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21 , 996 , 385 , 287 ÷ 53 size 12{"21","996","385","287" div "53"} {}

Since the dividend has more than eight digits, this division cannot be performed on most nonscientific calculators. On others, the answer is 415,026,137.4

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4, 558 ÷ 67 size 12{4,"558" div "57"} {}

This division results in 68.02985075, a decimal number, and therefore, we cannot, at this time, find the value of the remainder. Later, we will discuss decimal numbers.

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Exercises

For the following problems, perform the divisions.

The first 38 problems can be checked with a calculator by multiplying the divisor and quotient then adding the remainder.

52 ÷ 4 size 12{"52" div 4} {}

13

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776 ÷ 8 size 12{"776" div 8} {}

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603 ÷ 9 size 12{"603" div 9} {}

67

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240 ÷ 8 size 12{"240" div 8} {}

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208 ÷ 4 size 12{"208" div 4} {}

52

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576 ÷ 6 size 12{"576" div 6} {}

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21 ÷ 7 size 12{"21" div 7} {}

3

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0 ÷ 0 size 12{0 div 0} {}

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140 ÷ 2 size 12{"140" div 2} {}

70

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528 ÷ 8 size 12{"528" div 8} {}

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244 ÷ 4 size 12{"244" div 4} {}

61

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0 ÷ 7 size 12{0 div 7} {}

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177 ÷ 3 size 12{"177" div 3} {}

59

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96 ÷ 8 size 12{"96" div 8} {}

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67 ÷ 1 size 12{"67" div 1} {}

67

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896 ÷ 56 size 12{"896" div "56"} {}

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1, 044 ÷ 12 size 12{1,"044" div "12"} {}

87

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988 ÷ 19 size 12{"988" div "19"} {}

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5, 238 ÷ 97 size 12{5,"238" div "97"} {}

54

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2, 530 ÷ 55 size 12{2,"530" div "55"} {}

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4, 264 ÷ 82 size 12{4,"264" div "82"} {}

52

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637 ÷ 13 size 12{"637" div "13"} {}

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3, 420 ÷ 90 size 12{3,"420" div "90"} {}

38

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5, 655 ÷ 87 size 12{5,"655" div "87"} {}

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2, 115 ÷ 47 size 12{2,"115" div "47"} {}

45

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9, 328 ÷ 22 size 12{9,"328" div "22"} {}

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55 , 167 ÷ 71 size 12{"55","167" div "71"} {}

777

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68 , 356 ÷ 92 size 12{"68","356" div "92"} {}

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27 , 702 ÷ 81 size 12{"27","702" div "81"} {}

342

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6, 510 ÷ 31 size 12{6,"510" div "31"} {}

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60 , 536 ÷ 94 size 12{"60","536" div "94"} {}

644

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31 , 844 ÷ 38 size 12{"31","844" div "38"} {}

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23 , 985 ÷ 45 size 12{"23","985" div "45"} {}

533

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60 , 606 ÷ 74 size 12{"60","606" div "74"} {}

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2, 975 , 400 ÷ 285 size 12{2,"975","400" div "285"} {}

10,440

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1, 389 , 660 ÷ 795 size 12{1,"389","660" div "795"} {}

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7, 162 , 060 ÷ 879 size 12{7,"162","060" div "879"} {}

8,147 remainder 847

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7, 561 , 060 ÷ 909 size 12{7,"561","060" div "909"} {}

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38 ÷ 9 size 12{"38" div 9} {}

4 remainder 2

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97 ÷ 4 size 12{"97" div 4} {}

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199 ÷ 3 size 12{"199" div 3} {}

66 remainder 1

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573 ÷ 6 size 12{"573" div 6} {}

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10 , 701 ÷ 13 size 12{"10","701" div "13"} {}

823 remainder 2

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13 , 521 ÷ 53 size 12{"13","521" div "53"} {}

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3, 628 ÷ 90 size 12{3,"628" div "90"} {}

40 remainder 28

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10 , 592 ÷ 43 size 12{"10","592" div "43"} {}

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19 , 965 ÷ 30 size 12{"19","965" div "30"} {}

665 remainder 15

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8, 320 ÷ 21 size 12{8,"320" div "21"} {}

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61 , 282 ÷ 64 size 12{"61","282" div "64"} {}

957 remainder 34

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1, 030 ÷ 28 size 12{1,"030" div "28"} {}

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7, 319 ÷ 11 size 12{7,"319" div "11"} {}

665 remainder 4

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3, 628 ÷ 90 size 12{3,"628" div "90"} {}

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35 , 279 ÷ 77 size 12{"35","279" div "77"} {}

458 remainder 13

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52 , 196 ÷ 55 size 12{"52","196" div "55"} {}

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67 , 751 ÷ 68 size 12{"67","751" div "68"} {}

996 remainder 23

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For the following 5 problems, use a calculator to find the quo­tients.

4, 346 ÷ 53 size 12{4,"346" div "53"} {}

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3, 234 ÷ 77 size 12{3,"234" div "77"} {}

42

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6, 771 ÷ 37 size 12{6,"771" div "37"} {}

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4, 272 , 320 ÷ 520 size 12{4,"272","320" div "520"} {}

8,216

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7, 558 , 110 ÷ 651 size 12{7,"558","110" div "651"} {}

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A mathematics instructor at a high school is paid $17,775 for 9 months. How much money does this instructor make each month?

$1,975 per month

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A couple pays $4,380 a year for a one-bedroom apartment. How much does this couple pay each month for this apartment?

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Thirty-six people invest a total of $17,460 in a particular stock. If they each invested the same amount, how much did each person invest?

$485 each person invested

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Each of the 28 students in a mathematics class buys a textbook. If the bookstore sells $644 worth of books, what is the price of each book?

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A certain brand of refrigerator has an automatic ice cube maker that makes 336 ice cubes in one day. If the ice machine makes ice cubes at a constant rate, how many ice cubes does it make each hour?

14 cubes per hour

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A beer manufacturer bottles 52,380 ounces of beer each hour. If each bottle contains the same number of ounces of beer, and the manufacturer fills 4,365 bottles per hour, how many ounces of beer does each bottle contain?

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A computer program consists of 68,112 bits. 68,112 bits equals 8,514 bytes. How many bits in one byte?

8 bits in each byte

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A 26-story building in San Francisco has a total of 416 offices. If each floor has the same number of offices, how many floors does this building have?

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A college has 67 classrooms and a total of 2,546 desks. How many desks are in each classroom if each classroom has the same number of desks?

38

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Exercises for review

( [link] ) What is the value of 4 in the number 124,621?

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( [link] ) Round 604,092 to the nearest hundred thousand.

600,000

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( [link] ) What whole number is the additive identity?

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( [link] ) Find the product. 6, 256 × 100 size 12{6,"256" times "100"} {} .

625,600

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( [link] ) Find the quotient. 0 ÷ 11 size 12{0 div "11"} {} .

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Questions & Answers

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
Privacy Information Security Software Version 1.1a
Good
7hours 36 min - 4hours 50 min
Tanis Reply

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Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
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