Question

If 5^-2 ×5×= 1, solve for x

Answer 1

Answer:

Step-by-step explanation:

1/25 * 5^x = 1    multiply both sides by 25

5^x = 25       now you can see that x = 2

5^(x-2) = 1    LOG both sides to get

(x-2) LOG 5 = LOG 1

x-2 = LOG 1 /LOG 5

X-2 = 0

X = 2