7B Chapter 4 Review

Rational Numbers

200

What is 4/5 as a decimal?

.8 or 0.8

400

True or False:

- 1/8 equals a repeated decimal 

FALSE

600

-5/8 as a Decimal is 

What is - 0.625 or .625

800

What is 3.09 as a Fractions?

3 9/100

1000

What is -4.45 as a fraction? (Simplifies Form)

-4 9/20

Add/Sub Decimals

200

11.7 + 3.3458

15.0458

400

-3.992 + 7.08

3.088

600

-271.36 - (-131.74)

-139.62

800

a + b + c when a = -16.6, b= -12.2, c= 98.5

69.7

1000

a + b + c when a = 90.1, b= 88.3, c=-212.4

-34

Mult/Divide Decimals

200

-0.45 x 5.02

-2.259

400

(0.205)(-2)

-0.41

600

-3.2(0.2 + 0.5)

-2.24

800

3 ÷ (-0.075)

-40

1000

91 ÷ 0.65

140

Negative Exponent

200

Evaluate each Expression:

1/5^-2 

5² which equals

 25

400

Evaluate:

(8^-2)(8^-2) 

8^-4 = 1/8⁴ = 

1/4096

600

Evaluate:(Dividing)

11^-7 / 11^-6

1/11 

800

Evaluate

4^-5 / 4^-7 

4^{-5 - (-7)} = 4² = 16

1000

Evaluate 

20^-2 x 20^-3

20^{-2 + -3} = 1/20⁵ =

1/3,200,000

Random

200

What is Mrs. White's Favorite Color

EMERALD GREEN

400

Standard Form Scientific Notation

4 x 10⁴

40,000

600

Multiply and answer in Scientific Notation:

2(7.5 10³)

1.5

800

What does X equal?

x - 11.7 = 28.9

40.9

1000

When is Mrs. White's Birthday?

May 25th