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it is really simple, all you have to do is add all the numbers in the number and see if it is divible by nine!
Hope that helped!
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoAdd the digits and see if they equal a number divisible by nine.
Example: 99 is divisible by 9 because 9 + 9 = 18 (18 is divisible by 9)
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Is 2340 divisible by 9how do you know?
Yes, to test for divisible by 9: add the digits together [2+3+4+0=9]. If the sum equals nine, or a number divisible by nine, then the original number is divisible by nine. Example: 4752; 4+7+5+2 = 18, which is divisible by 9. If you're not sure, 1+8=9. You can always keep adding the digits together, and eventually you'll be left with a single digit number. If the sum is equal to 9, then the original number is divisible by 9.
Is the number 27000 divisible by 9?
Yes. 27,000 is evenly divisible by nine.
What are the divisibility rules of 18?
If the number is even and the sum of its digits is divisible by nine then the number is divisible by 18.
What three digit number is divisible by twelve and nine?
144 is divisible by 12 and 9.
Can you explain why a number that is divisible by 9 is also divisible by 3?
Three is a factor of nine.
Is 10 divisible by 9?
No, a number can only be divisible by a number smaller than it
Is the number 74845 divisible by 9?
No. 74,845 is not evenly divisible by nine.
Is 2340 divisible by 9how do you know?
Yes, to test for divisible by 9: add the digits together [2+3+4+0=9]. If the sum equals nine, or a number divisible by nine, then the original number is divisible by nine. Example: 4752; 4+7+5+2 = 18, which is divisible by 9. If you're not sure, 1+8=9. You can always keep adding the digits together, and eventually you'll be left with a single digit number. If the sum is equal to 9, then the original number is divisible by 9.
What is true if 9 is a factor?
The sum of the digits of the number will add to a number that's divisible by nine. For example, 99 -> 9+9 -> 18. 18 is divisible by nine, thus 99 is. Any whole number that's divisible by nine will have its digits add up like this, and any whole number whose digits add up like this will be divisible by nine.
What is a number that is divisible by nine and two?
72
How do you know if a 9 divides into a number?
Add the digits of the number. If that total is divisible by nine, so is the original number. Example: 12,345,678 The digits total 36. 36 is divisible by 9. So is 12,345,678.
Which numbers are divisible by nine?
All multiples of nine, which is an infinite number.
Is the number 27000 divisible by 9?
Yes. 27,000 is evenly divisible by nine.
What number is 663 divisible?
663 is divisible by i dont know . but i do know that it can not be a even number so it has to be divisible by a odd number
What are the divisibility rules of 18?
If the number is even and the sum of its digits is divisible by nine then the number is divisible by 18.
Is 4860 divisible by 9?
Yes, it is. One way to tell if a number is divisible by nine is to add up all of the numbers until you get a one digit number, and if the number isn't nine, the number isn't divisible by nine. 4+8+6+0= 18 1+8=9
What three digit number is divisible by twelve and nine?
144 is divisible by 12 and 9.
