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This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module is a proficiency exam to the chapter "Measurement and Geometry." Each problem is accompanied with a reference link pointing back to the module that discusses the type of problem demonstrated in the question. The problems in this exam are accompanied by solutions.

Proficiency exam

( [link] ) The process of determining, by comparison to some standard, the size of something is called .

measurement

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For problems 2-9, make each conversion.

( [link] ) 14 yards to feet

42 feet

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( [link] ) 51 feet to inches

612 inches

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( [link] ) 1 3 size 12{ { {1} over {3} } } {} yard to feet

1 foot

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( [link] ) 2 1 4 size 12{2 { {1} over {4} } } {} minutes to seconds

135 seconds

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( [link] ) 5.8623 L to kL

0.0058623 kL

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( [link] ) 213.1062 mm to m

0.2132062 m

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( [link] ) 100,001 kL to mL

100,001,000,000 mL

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For problems 10-13, simplify each number.

( [link] ) 4216 lb

2 tons 216 pounds

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For problems 14-18, perform the indicated operations. Simplify answers if possible.

( [link] ) Add 6 wk 3 da to 2 wk 2 da.

8 weeks 5 days

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( [link] ) Add 9 gal 3 qt to 4 gal 3 qt.

14 gallons 2 quarts

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( [link] ) Subtract 3 yd 2 ft 5 in. from 5 yd 8 ft 2 in.

2 yards 5 feet 9 inches

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( [link] ) Subtract 2 hr 50 min 12 sec from 3 hr 20 min 8 sec.

29 minutes 56 seconds

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( [link] ) Subtract the sum of 3 wk 6 da and 2 wk 3 da from 10 wk.

3 weeks 5 days

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For problems 19-30, find either the perimeter, circumference, area, or volume.

( [link] ) Approximate circumference
A circle with a radius of 14ft.

87.92 feet

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( [link] ) Approximate perimeter
A rectangle with a half-circle cut out of the center of the top of the shape. The circular cutout has a radius of 1mi. The height of the rectangle is 15mi. The width of the rectangle is 12mi.

55.14 miles

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( [link] ) Approximate area
A circle of diameter 0.06cm.

6.002826 sq cm

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( [link] ) Approximate area
A half-circle with a radius of 2mi.

6.28 sq miles

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( [link] ) Exact area
A circle with a radius of 9.2in.

84.64 π sq in.

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( [link] ) Approximate volume
A cone with a radius of 2mm and a height of 6mm.

25.12 cu mm

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( [link] ) Exact volume
A cylinder with a diameter of 3.2ft and a height of 1.8ft.

4.608 π cu ft

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( [link] ) Approximate volume
A rectangular solid with a cylinder sitting on top of it. The cylinder's height is 8mm, and its radius is 2mm. The rectangular prism's height is 3mm, its length is 8mm, and its width is 10mm.

340.48 cu mm

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Questions & Answers

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 to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
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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