Wat will be the remainder when

21^3+22^3+23^3+24^3 is divided by 90..

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- Jun 2nd 2008, 10:16 PMcUe?remainder problem
Wat will be the remainder when

21^3+22^3+23^3+24^3 is divided by 90.. - Jun 3rd 2008, 06:33 AMSoroban
Hello, cUe?!

I assume we aren't allowed calculators . . .

Quote:

What is remainder when is divided by 90 ?

Factor: .

This is: . . .

. . . . . . . . . . . .

. . . . . . . . . . . .

. . . . . . . . . . . .

Therefore: is a__multiple__of 90 . . . The remainder is 0.