Question

What's xy • x(2) y (3) parenthesis are exponents

Answer 1

$xy \times {x}^{2} {y}^{3}$
the answer is
${x}^{3} {y}^{4}$
you must add the exponents when multiplying their coefficients. The
$xy$
are technically
${x}^{1} {y}^{1}$
for which your answer is
${x}^{3} {y}^{4}$