Solved: Prove that if the decimal representation of a
Chapter 4, Problem 4.165(choose chapter or problem)
Prove that if the decimal representation of a nonnegative integer n ends in d1d0 and if 4|(10d1 +d0), then 4 |n.( Hint: If the decimal representation of a nonnegative integer n ends in d1d0, then there is an integer s such that n =100s+10d1 +d0.)
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