Aluminum foil measure 23.5 cm x 19.7 cm which it's mass is 2.66grams, explain what is the thickness of this aluminum foil?
Nettie's answer is 23.5 x 1.97 cm = 462.95 cm2? Then I take this figure the 462.95 as well as divide it by 2.66 = 174.04<- would that be cm2?