How to evaluate 5^-2

Answer

1/25 or 0.04

Step-by-step explanation:

Something raised to a negative power is equivalent to 1 / (that to the positive power)

Example a^-b = 1 / (a^b)

In your case, 5^-2 = 1 / (5^2) = 1/25, which converted to decimal form is 0.04