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Prove that for any nonnegative integer n, if the sum of
Chapter 4, Problem 48E(choose chapter or problem)
QUESTION:
Problem 48E
Prove that for any nonnegative integer n, if the sum of the digits of n is divisible by 3, then n is divisible by 3.
Questions & Answers
QUESTION:
Problem 48E
Prove that for any nonnegative integer n, if the sum of the digits of n is divisible by 3, then n is divisible by 3.
ANSWER:
Solution:
Step 1
In this problem we need to prove that if the sum of the digits of an integer n is divisible by 9, then n is divisible by 9.