7th Quiz 3 Review

Converting

100

Fraction to decimal:

1/2

.5

200

Decimal to percent:

.335

33.5%

300

Decimal to Fraction:

.28

7/25

400

Percent to Fraction:

45%

9/20

500

Fraction to Percent:

1 2/3

133.3% (repeating)

Mixed Forms

100

.35 + 1/2

.85

200

0.9 - (-11/12)

1 49/60

300

-1 2/5 x 0.3

-0.42

400

Audrey bought 4 2/3 pounds of apples for $0.75 per pound. How much did she pay for the apples?

$3.50

500

Sam spent $4.90 for 3 1/2 pounds of cheese. What was the cost per pound?

$1.40/lb

Exponents

100

6²

36

200

14²

196

300

What is the square root of 169?

13

400

Which of these numbers are perfect squares?

1      25      50     200     150     400

1, 25, 400

500

Estimate the square root of 127

11.1, 11.2, 11.3

Powers of 10

100

10¹

10

200

10³

1000

300

10⁵

100,000

400

10^-2

0.01

500

10^-15

0.000000000000001

Scientific Notation

100

2.5 x 10³

2,500

200

.000405

4.05 x 10^-4

300

8,000,000,000

8 x 10⁹

400

3.2345 x 10^-6

.0000032345

500

9.99999 x 10¹⁸

9,999,990,000,000,000,000