1989 is divisible by 9 . Justify your answer
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1989 is divisible by 9 if you divide 1989 by 9 and the quotient is an integer.
The easiest way to determine if 1989 is divisible by 9 is to calculate the sum of the digits in 1989.
If the sum of the digits is divisible by 9, then 1989 is divisible by 9.
If the sum of the digits is not divisible by 9, then 1989 is not divisible by 9.
The sum of the digits is calculated as follows:
1 + 9 + 8 + 9 = 27
27 is divisible by 9, Therefore, 1989 is divisible by 9 and the answer to the question, "Is 1989 Divisible By 9?" is Yes.
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