Question

How do you simplify `x^7/x^15` and write it using only positive exponents?

Answer 1

Using the rule for exponents: `z^color(red)(a)/z^color(blue)(b) = 1/z^(color(blue)(b)-color(red)(a))` gives:

`1/x^(color(blue)(15)-color(red)(7)) = 1/x^8`