20 times ten is already hard for forth graders and i want to teach my forth grade sister

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Do 12/14 and 8/10 have the same value? explain your answer.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles