Question

Simplify (-8a^4b)^2 and tell me how you did it

Answer 1

Answer: 64a^8b^2

Explanation:

1... (-8a^4b)^2 .... distribute the exponent which becomes:
(-8)^2(a^4)^2b^2
2...Evaluate the exponent:
64(a^4)^2b^2
3... Power of power:
64a^(4*2)b^2
4... Multiply numbers:
64a^8b^2