Question

How do you simplify `z^10*z^3` and write it using only positive exponents?

Answer 1

`z^13`

Explanation:

Use this exponent rule:

`x^a *x^b=x^(a+b)`

The base `x` has to be the same. Then just add the exponents.

`z^10*z^3=z^(10+3)=z^13`