Question

18sqrt(-7)^18

Answer 1

would this one be -7?

Answer 2

or 1/7?

Answer 3

Using the fact that \[\large \sqrt[n]{x^n}=|x|\] where n is even, this means that \[\large \sqrt[18]{(-7)^{18}}=|-7|=7\]

So \[\large \sqrt[18]{(-7)^{18}}=7\]

Answer 4

ooooo thanks hun!