Question

What is (3a)^4

Answer 1

3^4 * a^4

Answer 2

81a^4

Answer 3

\[(3a)^4=(3)^4(a)^4=3 \times 3\times3\times3\times a \times a \times a \times a\]

Answer 4

The Answer Is 81a^4

Answer 5

another way to see it is we can put a 1 exponent on 3 and on a. the exponent of an exponent is just those two exponents multiplied together.