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Add the digits together and if the result is divisible by 9, the original number is divisible by 9.

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โˆ™ 2010-10-26 10:19:55
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Q: What is the divisiblity rule for 9?
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What is the divisiblity rule of 9?

The rule to decide if a number is divisible by 9 is to look at the sum of the digits. If the sum of the digits is divisible by 9, then so is the number.


What are the divisiblity rules for 1 - 10?

-9


Divisiblity rule for 4?

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What is divisiblity rule for number 6?

if the number is divisible by 2 and 3 then it is divisible by 6 =D


What is the divisiblity rule for the number 8?

To find out if a number is divisible by 8 the number must be divisible by 2 and 4!


What is the smallest number that is divisiblity by 2.3.4.5.6?

60.


Divisiblity rule for 119?

Just carry out the division, and see if you get an integer. It isn't worth the trouble to memorize or, worse, figure out divisibility rules for all sorts of large numbers.


What is the divisiblity rule for 15?

A number is divisible by 15 if it is divisible by 5, and by 3. For example, 165 is divisible by 15, since it ends in 5, and the sum of its digits is divisible by 3.


Divisiblity of 4?

The only number by which four is divisible is two.


Is 3281 divisiblity by 4?

No - because it's an odd number !


What is the rule for multiplying up to 9 by 11?

The rule is put another 9 on the back of the 9, it should look like this 99.


What is divisiblity rule for numbers 2to20?

In most cases, it is easier to do the division than to use some special divisibility rule. Divisibility rules only save you time in some special cases, such as:2, 4, 8, 5, 10, 25 (look at the last digit or digits)3, 9 (add the digits, and see if it is divisible by 3 or by 9, respectively)7, 11, and 13 (separate the last three digits and subtract from the remaining number)


What is the divisiblity test of three?

If the sum of the digits is a multiple of 3, yhen the number is divisible by 3.


What is the rule for divide by 9?

Is the sum of the digits a multiple of 9?


Is 420 a multiple of 2?

Yes,because we know the divisiblity test of 2 that is last no. should be odd.


Do multiples of 9 add up to 9?

18


In what year did baseball have the 9 strikes and 9 ball rule?

1879


Divisibility rule for 9?

If the digit sum of a number adds up to 9 then it is divisible by 9.


What is the divisibility rule for 99?

Its digital sum is 9 so it is divisible by 9


What is a 9 letter word for rule of elders for ancient Greece?

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How can you check if a number is divisible by 9 when usiing the divisibility rule for 9?

If all the digits add up to 9 then it is divisable by 9


What is the divisible rule for 9?

If the number is divisible by 3 then its divisible by 9. If you forgot what the divisble rule for three this is how, add up all the numbers then whatever the sum is and if the sum can go into three then its divisible by 3 and 9.


What are the release dates for Rule the Mix - 2011 Disneyland Scavenger Hunt 2-9?

Rule the Mix - 2011 Disneyland Scavenger Hunt 2-9 was released on: USA: 9 March 2012


What is the rule for this pattern 243 81 27 9?

n/3


Divisibility rule of 2345678910?

it is divisible by 3 and 9