Negative Exxponents

Simplify (evaluate):

3^-3

• -27

• -9

• -1/9

• 1/27

Are these two equivalent:

2² = (-2)²

• Yes

• No

5² , in this example 5 is the ______

• base
• exponent

Simplify (evaluate):

(-8)^-2

• 1/(-8)²

• 1/8²

• 1/64

• -64

Write this expression using positive exponent:

x^-7

• -7

• -7x

• 1/x⁷

• -1/x⁷

Simplify (evaluate):

5^-2

• -10

• 1/25

• 1/(5)²

• -1/10

Simplify (evaluate):

3⁻⁴

• 1 ⁄ 81

• -81

• 81

• 1 ⁄ 12

Simplify (evaluate):

7^-2

• 49

• 10/49

• -49

• 1/49

Simplify (evaluate):

2^-1

• 1/2

• 1/1

• -1/1

• -1/2

Write this expression using positive exponent:

9^-3

• 9³

• 1/9^-3

• 1/9³

• 729