Question

Calcule
A) (-xysobre 2).(4xysobre 3
B) (15asobre 3 bsobre 2).(15absob2

Answer 1

A)

${2}^{xy + 2} \times {xy}^{3}$

B)

${225a}^{3b ^{2} + 1} {b}^{2}$