Help simplify each expression of Power Theorem for Exponents?

Question

(5squared) to the third

(7x to the third) to the third

i think the distributive property is used here, but i just cant figure it out

Answer 1

(5^2)^3 = 5^6

(7x^3)^3 = 7^3*x^(3*3) = 343x^9

Hope this helps.....b.