Question

$(3 x^{2}y) ^{2}*(-2xy^{2})$

Answer 1

$=3 ^{2} x^{2*2} y ^{2} *(-2xy ^{2} )=9x ^{4} y ^{2} *(-2xy ^{2} )=-9*2x ^{4+1} y ^{2+2} =-18x ^{5} y ^{4}$