Marcus has earned 353 out of 400 points (88% or B+) in Math class. He needs 90% to earn an A. There is one test left worth 100 points. How many points does Marcus need on the test to raise his grade to an A-?

cant open file sorry!

step-by-step explanation:

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube