Why bob the builder. i am in year 11 not 2

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

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

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60