Unit 1 Review

Rational Numbers

100

Write as a decimal:

2/3

0.6667 or 0.66repeating

200

Write as a fraction:

0.48

12/25

300

Write as a decimal:

3/8

0.375

400

Write as a fraction:

7.55

7 11/20

500

Write as a decimal:

2 7/9

2.7778 or 2.777repeating

Square and Cube Roots

100

Find the square root of:

144

12 and -12

200

Find the cube root of:

729

9

300

Find the square root of:

16/169

4/13 and -4/13

400

Find the cube root of:

8/125

2/5

500

Find the square root of:

196

16

Approximating Roots

100

Approximate the square root of:

2

1.4

200

Approximate the square root of:

5

2.2

300

Approximate the square root of:

11

3.3

400

Approximate the square root of:

18

4.2

500

Approximate the square root of:

30

5.5

Exponents

100

simplify 

8⁰8^-38⁵

64

200

(10³)²

1,000,000

300

7⁹/7¹¹

1/49

400

(5-2)⁵(3^-8) + (5+2)⁰

1 1/27

500

(10-6)⁴(4^-2) + (10+2)²

160

Scientific Notation

100

Write in Scientific Notation:

0.00000078

78 x 10^-7

200

Solve

3.1 x 10⁸ + 3.38 x 10⁷

3.438 x 10⁸

300

Solve:

2.025 x 10¹⁴ / 2.25 x 10⁸

9 x 10⁵

400

Solve:

(1.4 x 10⁷)(2.3 x 10^-4)

3.22 x 10³

500

4.2 x 10³ - 3.6 x 10⁴

-3.18 x 10⁴