What are the steps to solve this? 3√5 × 2√10

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?