Question

Rewrite using a single positive exponent.

7^9 x 7^-3

Answer 1

`7^(6)`

Explanation:

Using the rule of exponents

`a^(m)` ×
`a^(n)` ⇔
`a^((m+n))`, thus

`7^(9)` ×
`7^(-3)`

=
`7^((9-3))`

=
`7^(6)`

Answer 2

When you multiply you add the exponents, so 7^9*7^-3=7^6