Question

What is the value of 9^-1/2

Answer 1

Answer:

81-1/2

80/2

40 and right than say

Answer 2

Answer:

$\frac{1}{3}$

Step-by-step explanation:

Using the rule of exponents/ radicals

$a^{-m}$ ⇔ $\frac{1}{a^{m} }$

$a^{\frac{1}{2} }$ ⇔ $\sqrt{a}$

Given

$9^{-\frac{1}{2} }$

= $\frac{1}{9^{\frac{1}{2} } }$

= $\frac{1}{\sqrt{9} }$

= $\frac{1}{3}$