Question 74151
{{{(3*5)^(-1)}}}If you have a negative exponent, that means you invert the base. For instance {{{x^(-a)=1/x^a}}} so this problem can be simplified the same way
{{{(3*5)^(-1)=1/15^1}}}where x=15 and a=1
So the answer is
{{{(3*5)^(-1)=1/15}}}Hope this helps.