Please help me .

Hurry which expression is equivalent to 3√x^5y?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7