Question 74736
{{{(2/3)^(-3)}}}
{{{(2^(-3)/3^(-3))}}}Distribute the exponents by multiplying

When you raise any number to an exponent you can write that number as an inverted number. For instance, {{{x^(-2)=1/x^2}}}. So 
{{{(2^(-3)/3^(-3))=3^3/2^3=27/8}}}