exam Maths Puzzle Numerical Ability

I am taking a pre admissions test for RN school. I am 2 questions away from passing and one of them is this. (sqrt 12x 2nd power y 3rd power) ( sqrt 8xy)=?
Please help!!

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exam Other Question

The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in quarters and dimes is $28.80, how many quarters and how many dimes ar You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that show the different number of coins in your drawer.