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all digits in the number must total to a number divisible by 3 when added up e.g 156=1+5+6=12 which is divisible by 3 you can proove this using other numbers eg 39,24,1107 e.t.c
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∙ 12y ago
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What is the rule for divisibility of 3?
It is 3 6 9
How can you use a divisibility rule to determine if117 is prime or composite?
By using the divisibility rule for 3, we find that 117 is divisible by 3. That makes it composite.
What are the divisablity rules?
the divisibility rule for 2 is: The number is even;the last digit ends with a 2,4,6,8,10, etc.The divisibility rule fir 3 is: The sum of the number is divisible by 3The divisibility rule for 4 is: The last two digits are divisible by 4The divisibility rule for 5 is: The number ends with a 5 or 0The divisibility rule for 6 is: The sum CAN be divisible by 2 and or 3The divisibility rule for 9 is: The sum of the number is divisible by 9The divisibility rule for 10 is : The number ends with a 0
What you the divisibility rule for 93?
3 - 31
What divisibility rules were combined to make the divisibility rule of 36?
The divisibility rules of 4 and 9 are combined to make the divisibility rule of 36.
What is the rule for divisibility of 3?
It is 3 6 9
Is there a divisibility rule for 24?
there is a divisibility for 24 the rule is you can divide 24 as 6 and 4 i think
How can you use a divisibility rule to determine if117 is prime or composite?
By using the divisibility rule for 3, we find that 117 is divisible by 3. That makes it composite.
Which of the Divisibility Rules go on 741?
The rule for 1 and the rule for 3.
What are the divisablity rules?
the divisibility rule for 2 is: The number is even;the last digit ends with a 2,4,6,8,10, etc.The divisibility rule fir 3 is: The sum of the number is divisible by 3The divisibility rule for 4 is: The last two digits are divisible by 4The divisibility rule for 5 is: The number ends with a 5 or 0The divisibility rule for 6 is: The sum CAN be divisible by 2 and or 3The divisibility rule for 9 is: The sum of the number is divisible by 9The divisibility rule for 10 is : The number ends with a 0
Divisibility rule of 2345678910?
it is divisible by 3 and 9
What you the divisibility rule for 93?
3 - 31
What is the divisibility rule for 34?
There is no easy rule for divisibility by 34.
What divisibility rules were combined to make the divisibility rule of 36?
The divisibility rules of 4 and 9 are combined to make the divisibility rule of 36.
Why does divisibility rule for 6 work?
By tautology. If it did not work, it would not be a divisibility rule!
How does the divisibility rule for 4 and 8 work?
why does the divisibility rule work for 4
What is the divisibility rule for 13?
There is no divisibility rule for 13 because it is a prime number. If you are thinking: why is there a divsibility rule for 2 and 3 then. Well, i don't know so go look it up on google.
