Question

How do you write `m^-3*m^-1` using only positive exponents?

Answer 1

`1/m^4`

Explanation:

Use the law if indices which states: `x^-m = 1/x^m`

If the base with a negative index is moved to the denominator, the index changes sign.

`m^-3 xx m^-1 = 1/(m^3 xx m^1) = 1/m^4`