7th Grade Exponents Review

Exponent Basics

100

5⁴

625

200

(-2)⁵

-32

300

(1/2)³

1/8

400

3^-2

1/9

500

9^-3

1/729

Exponential Expressions

100

4² + 4^-2

16 1/16

200

3³ - 6²

-9

300

4³ x 8^-2 - 9⁰

0

400

(35⁰ + 2²)^-4

1/81

500

18² - 5³ / 3^-1

-51

Squares and Cubes

100

14²

196

200

(-8)³

-512

300

5² - 5³ + 10² - 6⁰

-1

400

6^-3

1/216

500

(3^-2)^-3

729

Scientific Notation

100

Write 1.5801 X 10¹² in standard notation

1,580,100,000,000

200

Write .0000000315 in scientific notation.

3.15 X 10^-8

300

48012.359 in scientific notation

4.8012359 X 10⁴

400

2.15 X 10^-6 in standard notation

.00000215

500

2.2 X 10⁴ + 3.1 X 10³ + 1.8 X 10^-2 in standard notation

25100.018

Roots

100

√169

13

200

Cube root of -1000

-10

300

√90 to the nearest tenth

9.4

400

(√400 - √289)³

27

500

The cube root of (the cube root of 8 then raised to the seventh power then subtracting three)

5