Question

Simplify (3a) (a^-3) =

Answer 1

3 a^(-2)

3 / a^2

Explanation:

(3a) (a^-3)

Multiply

3 a^1 * a^-3

Since we are multiplying, we add the exponents

3 a^ ( 1-3)

3 a^(-2)

If you are not supposed to leave a negative exponent

x^-b = 1 / x^b

3 / a^2