Write without using rational exponents

(m^3 n^5)^1/4

Pls! does anybody know a shortcut for answering these types of questions in the future?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Acircle has a diameter of 10 what is the area of the circle? use 3.14 for pi. round to the nearest hundredth