Question

Какое из следующих чисел делятся на 9 (928,981,289)

Answer 1

981   9/9=1 
8/9=0
81/9=9
109

Answer 2

Делится только число 981.

Answer 3

Divisibility by 9

The number that is divisible by 9 from the given options is 981.

According to the divisibility rule for 9, a number is divisible by 9 if the sum of its digits is also divisible by 9. Let's calculate the sum of the digits for each number to verify this:

1. For 928: - 9 + 2 + 8 = 19

2. For 981: - 9 + 8 + 1 = 18

3. For 289: - 2 + 8 + 9 = 19

Based on the divisibility rule, only 981 has a sum of digits that is divisible by 9, confirming that it is the number from the given options that is divisible by 9.