Question

225^1/blank=15

Answer 1

\[225^{1/a}=15\]\[\sqrt[a]{225^1}=15\]Any number/variable to the 1 power is that number/variable.\[x^1=x\]\[387461873654^1=387461873654\]
\[\sqrt[a]{225}=15\]\[(\sqrt[a]{225})^a=(15)^a\]\[225=15^a\]\[15×15=225\]Therefore\[a=2\]