Answer:
[tex]4312 { x }^{ \frac{5}{2} } [/tex]
Step-by-step explanation:
56*77=4312
[tex]x ^{2} \times \sqrt{x} = x ^{2} \times {x}^{ \frac{1}{2} } = {x}^{ \frac{5}{2} } [/tex]