Question

es {5}^{2} \times 10\pi" alt="3.14 \times {5}^{2} \times 10\pi" align="absmiddle" class="latex-formula">

Answer 1

$\pi 5^2*10 \pi$
apply exponent rule
$=5^2*10 \pi ^2$
$=10*25 \pi ^2$
multiply the numbers:25x10=250
$=250 \pi ^2$
refine to a decimal form
$=2467.40110$
Hope this helps :)