Question

Choose the explanation for why the following is true: x 15 • x-8 8 = x?

Answer 1

One of the rules of indices indicates that when we multiply similar bases with different exponents, the exponents are added together to give a single base and the sum of the exponents.

An example is indicated below.

`a^mxa^b=a^(m+b)`

In conclusion, the first option is the right option