On number 4, how do you figure out if it's an enlargement or a reduction?

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23