Exponents Pre-Test

Evaluate -5² + 27 ÷ 3. Simplify the expression. Write your answer as a power.

• -5^2 + 27 ÷ 3

• -5^2 + 9

• -25 + 9

• -16

(-7)³. (-7)8

• (-7)^3. (-7)^8

• -7^3. -7^8

• -343. 5764801

• -2401. 5764801

(76)²

• 76^2

• 5776

• 5776^2

• 5776

Simplify (3x) 4. Simplify the expression. Write your answer as a power.

• (3x)^4

• 3^4x^4

• 81x^4

• 81x

4².45

• 4^2.45

• 4.45

• 16.45

• 16

44

• 44

• 4^2

• 2^2 x 11

• 2^2 x 11^2

x3

• x^3

• 3x

• 3^x

• x

Evaluate. 89 Write your answer as a fraction.

• 89

• 8/9

• 9/8

• 1/89

Simplify kº. k-³. Write the expression using only positive exponents.

• k^0. k^-3

• 1. 1/k^3

• 1. k^3

• k^0. 1/k^3