Solution Found!
Show that an integer is divisible by 9 if and only if the
Chapter 5, Problem 13E(choose chapter or problem)
QUESTION:
Show that an integer is divisible by 9 if and only if the sum of its decimal digits is divisible by 9.
Questions & Answers
QUESTION:
Show that an integer is divisible by 9 if and only if the sum of its decimal digits is divisible by 9.
ANSWER:SolutionStep 1In this problem, we have to show that number is divisible by 9 if and only if the sum of its decimal digits is divisible by 9 where number be integers.