Question 984549
<i>square root of 7 to the second power + 3</i>


{{{sqrt(7^3)}}}   or {{{(sqrt(7))^3}}}


Either way, the expressions are equivalent.


{{{sqrt(7)sqrt(7)sqrt(7)}}}


{{{highlight(7*sqrt(7))}}}



---

"Square root" also means, "Raised to the one-half power".   Your stated worded description also means,  {{{(7^(1/2))^3=7^(3/2)}}}.