Question

1
) Solve the equation
(85) for n.
8n
n =
?

Answer 1

n = -10

Explanation:

1 / 8^n = 8^5^2

We know that 1/a^b = a^-b

We also know that a^b^c = a^(b*c)

8^-n = 8^(5*2)

8^-n = 8^(10)

Since the bases are the same, the exponents are the same

-n = 10

n = -10