Understanding and applying the laws of exponents to numerical expressions (rational exponents)

 $^3\sqrt{64}$  

• 192

• 21.3

• 8

• 4

• 3

• 9

• 64

• 80

Answer explanation

Use the calculator and see which answer choice best matches.

• A

• B

• C

• D

Which Expression is equivalent to (144k²r¹⁴)^1/2 for all positive values of k and r?

• 12kr⁷

• 72kr⁷

• 144kr⁷

• 12k²r¹⁴

Evaluate.

• 123

• 36

• 108

• 15

Evaluate ∛64

Simplify the expression:
36^1/2

• 6
• 36
• -6
• 1296

Write the expression in radical form.
x^1.5

• √x³
• ∛x²
• x³
• √x

What is ∛27 ?