Question

Simplify 4^-8 x 4^-1 x 4^6, leaving your answer in the form a^n where a is a whole number.

Answer 1

${4}^{ - 8} \times {4}^{ - 1} \times {4}^{6} \\ = {4}^{ - 8 + ( - 1) + 6} \\ = {4}^{ - 8 - 1 + 6} \\ = {4}^{ - 3}$
The answer is 4^-3