Best Answer

6 + 4 + 6 = 16

1 + 6 = 7

→ No; 646 is not divisible by 9 (there is a remainder of 7).

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Only if the sum of the digits is divisible by 9 is the original number divisible by 9.

Repeat the test on the sum until a single digit remains; only if this single digit is 9 is the original number divisible by 9, otherwise this single digit is the remainder when the original number is divided by 9.

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Q: Is 646 divisible by 9

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No, 646 divided by 4 is 161.5

All numbers divisible by 3 are NOT divisible by 9. As an example, 6, which is divisible by 3, is not divisible by 9. However, all numbers divisible by 9 are also divisible by 3 because 9 is divisible by 3.

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9 is divisible by 1, 3 and 9.

No... In order for a number to be divisible by 9, the sum of its digits must ALSO be divisible by 9. In this case, 7+0+9+6 = 22. 22 is not divisible by 9 !

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it is not divisible by 9, errp

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Every number is divisible by 9 but the answer wont necessarily be a whole number.

None, because 9 is divisible by 3.

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Yes, every number that's divisible by 9 is divisible by 3

345 is not divisible by 9. A quick rule for checking to see if a number is divisible by 9 is to add all of the number's digits. If their sum is divisible by 9, so is the number.2+3+4 = 9, which is divisible by 9, so 234 is divisible by 9. (234/9 = 16)3+4+5 = 123, which is not divisible by 9, so 345 is not divisible by 9 (345/9 = 38 r 3)5+6+7 = 18, which is divisible by 9, so 567 is divisible by 9 (567/9 = 63)

yes, you know that because if you add the digits together and that number is divisible by 9, then that large number is divisible by 9. 3+4+2 is 9, which is divisible by 9. conclusion 342 is divisible by 9.

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Yes 9 is divisible by 9. 9/9=1 It's quite simple

no because to be divisible by 9 the number has to equal 9 for instance 2+9+3+8=22 so it is not divisible by 9. But 32121 3+2+1+2+1=9 so it is divisible by 9