Question

Simplify.(-3ab^3)^4A. -12a^4b^7B. -7ab^12C. -81a^4b^7D. 81a^4b^12There is a picture too if you need it.

Answer 1

From the question, we are meant to simplify (-3ab^3)^4

( Using the Law of Indices )

(-3ab^3)^4 = -3 x - 3 x -3 x - 3 x a x a x a x a x b^3 x b^3 x b^3 x b^3

= 81 x a ^ 4 x b ^12

= 81a^4b^12