1) 4^4, as the first person has 4 choices, the 2nd has 4 choices, the 3rd has 4 choices and the 4th hs 4 choices, ie 4 x 4 x 4 x 4 = 4^4 = 256
2)1152 ok lets assume there are 4 on each side. There are 3 ppl who have to go onn the right side - to chose where these 3 positions will be out of...