Question

What is the value of the expression 8^–2?
A. -16
B. 1/64
C. 1/16
D. 64

Answer 1

@iPwnBunnies

Answer 2

When something is raised to a negative exponent, you can write it as a reciprocal.
\[a^{-b} = \frac{1}{a^{b}}\]

Answer 3

so the answers could be B or C

Answer 4

Correct. Do you know what 8^2 is?

Answer 5

\[8^{-2} = \frac{1}{8^{2}}\]

Answer 6

1/8^2 = 1/64

Answer 7

Thanks! everyone!