Is 4* 3 to the square root of x^2 and 4* the square root of x^3 like radicals?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Aphrase is shown read the phrase and give me the answer