What is 2 divide by 3 and then round to the nearest hundreds

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Is the point (0, 8) on the x-axis or y-axis? how do you know?