Chapter 3 Review

Find the sum

100

2.7+7.2

9.9

200

18.12+1.66

19.78

300

-14.75+9.94

-4.81

400

-3.7+(-1.3)

-5

500

4.038+(-6)

-1.962

Find the difference

100

16-24.3

-8.3

200

16.2-(-7)

23.2

300

-7-21.6

-28.6

400

43.4-(-136)

179.4

500

-12.9-(-4.5)

-8.4

Find the quotient

100

-16.4÷4

-4.1

200

-150÷7.5

-20

300

38÷-0.4

-95

400

-246÷(-0.6)

410

500

-3.038÷(-7)

0.434

Find the product

100

-1.4(3.4)

-4.76

200

-4.3(-3.4)

14.62

300

3.14(-8.1)

-25.434

400

-8(9.2)(20)

1472

500

-4.6(2.8)(-5.4)

69.552

Exponents

100

7^(-3)

1/343

200

(-9)^-2

1/81

300

9^17 x 9^-17

1

400

3^-6 x 3^4

1/9

500

6^-2 x 6^5

216