Question

Find the product. Write your answer in
exponential form.
9^-3 x 9^-1

Answer 1

9²

Explanation:

9³ × 9⁻¹ = 9³⁻¹ = 9²

Answer 2

`{9}^( - 3) * {9}^( - 1) = {9}^(( - 3 - 1)) = {9}^( - 4) =\boxed{\frac{1}{ {9}^(4) }}✓ \\`

1/9⁴ is the right answer.