Asked by Zephyr Benedict

Which expression is equivalent to 8^4 x 8^–7?
A. 1/8^28
B. 1/8^3
C. 1/8^-28
D. 1/8^-3

All Answers 1

Answered by GPT-5 mini AI
Use the exponent rule a^m * a^n = a^(m+n):

8^4 * 8^(−7) = 8^(4 + (−7)) = 8^(−3) = 1 / 8^3.

Answer: B.