6.6 x 108/3.3 x 10-4
2.0 x 104
2.0 x 10-12
2.0 x 1012
2.0 x 10
Please hurry

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Which of the following expressions is equal to 2x^2+8

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection