Question

Which is the value of this expression when a = 5 and k = negative 2?

Answer 1

From what I see in the problem, the expression is

$(\frac{3^a^2}{3a^-1} )^k$

To solve, plug in a and k.

$(\frac{3^(5)^2}{3*5^-1} )^-2$

3*5^2=75

(3*5)^-1 = 1/15

$75 / \frac{1}{15} = 5$

5^-2 = 1/25