3.3 Addition of signed numbers

$8+6$

$41+11$

$(-4)+(-8)$

$(-36)+(-9)$

$-14+(-20)$

$-\frac{2}{3}+\left(-\frac{5}{3}\right)$

$-2.8+(-4.6)$

$4+(-3)$

$-3+5$

$15+(-18)$

$0+(-6)$

$-26+12$

$35+(-78)$

$15+(-10)$

$1.5+(-2)$

$-8+0$

$0+(0.57)$

$-879+454$

$-1345.6+(-6648.1)$

$4+12$

$8+6$

$6+2$

$7+9$

$(-3)+(-12)$

$(-6)+(-20)$

$(-4)+(-8)$

$(-11)+(-8)$

$(-16)+(-8)$

$(-2)+(-15)$

$14+(-3)$

$21+(-4)$

$14+(-6)$

$18+(-2)$

$10+(-8)$

$40+(-31)$

$(-3)+(-12)$

$(-6)+(-20)$

$10+(-2)$

$8+(-15)$

$-2+(-6)$

$-11+(-14)$

$-9+(-6)$

$-1+(-1)$

$-16+(-9)$

$-22+(-1)$

$0+(-12)$

$0+(-4)$

$0+(24)$

$-6+1+(-7)$

$-5+(-12)+(-4)$

$-5+5$

$-7+7$

$-14+14$

$4+(-4)$

$9+(-9)$

$84+(-61)$

$13+(-56)$

$452+(-124)$

$636+(-989)$

$1811+(-935)$

$-373+(-14)$

$-1221+(-44)$

$-47.03+(-22.71)$

$-1.998+(-4.086)$

$[(-3)+(-4)]+[(-6)+(-1)]$

$[(-2)+(-8)]+[(-3)+(-7)]$

$[(-3)+(-8)]+[(-6)+(-12)]$

$[(-8)+(-6)]+[(-2)+(-1)]$

$[4+(-12)]+[12+(-3)]$

$[5+(-16)]+[4+(-11)]$

$[2+(-4)]+[17+(-19)]$

$[10+(-6)]+[12+(-2)]$

$9+[(-4)+7]$

$14+[(-3)+5]$

$[2+(-7)]+(-11)$

$[14+(-8)]+(-2)$

In order for a small business to break even on a project, it must have sales of $\$21,000$ . If the amount of sales was $\$15,000$ , how much money did this company fall short?

Suppose a person has $\$56.00$ in his checking account. He deposits $\$100.00$ into his checking account by using the automatic teller machine. He then writes a check for $\$84.50$ . If an error causes the deposit not to be listed into this person's account, what is this person's checking balance?

A person borrows $\$7.00$ on Monday and then $\$12.00$ on Tuesday. How much has this person borrowed?

A person borrows $\$11.00$ on Monday and then pays back $\$8.00$ on Tuesday. How much does this person owe?

( [link] ) Simplify $\frac{4(7^2-6\cdot 2^3)}{2^2}$ .

( [link] ) Simplify $\frac{35a^6{b}^2{c}^5}{7b^2{c}^4}$ .

( [link] ) Simplify ${\left(\frac{12a^8{b}^5}{4a^5{b}^2}\right)}^3$ .

( [link] ) Determine the value of $\left|-8\right|$ .

( [link] ) Determine the value of $(\left|2\right|+{\left|4\right|}^2)+{\left|-5\right|}^2$ .