Whats the vaule of 0.2^3

Can someone explain the elimination method to me for this problem?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811