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Use the divisibility rule for 10. If the number is divisible by 10, then it is obviously also divisible by 5.

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โˆ™ 2012-08-30 22:00:20
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Q: What is a divisibility rule that you can use to decide whether a number is divisible by both 5 and 10?
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Related questions

Which divisibility rule would you apply to tell whether a number is divisible by 3?

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


What are all the divisibility rules for 48?

Divisibility by 48 requires divisibility by 3 AND by 48Divisibility by 3 requires tat the digital root (sum of digits) is divisible by 3.Divisibility by 16 requires that the number formed by the last four digits is divisible by 16.Of both these are satisfied by a number then it is divisible by 48.


What is divisibility rules for 15?

If a number is divisible by 3 and 5, it is divisible by 15.


Can you explain a quick method for finding out whether a large number is divisible?

There are different divisibility rules for different [potential] divisors.


Divisibility of 7623?

7623 is divisible by 3.Test of divisibility by 3:Sum of digits of 7623 = 7+6+2+3 = 18, which is a multiple of 3, so the number is divisible by 3.If sum of the digits of a number is a multiple of 9 then it is divisible by 9.So, 7623 is also divisible by 9.Therefore, test of divisibility can help a lot in determining whether a number is divisible by any other number.


How can your knowledge of divisibility rules help you to determine whether a number is prime or composite?

If a number is divisible by anything other than itself and 1, it's composite.


What is the test of divisibility for 6?

A number is divisible by 6 if the number is divisible by 2 AND 3.


What are the divisibility rules for 9?

a number is divisible by 9 if the sum of the digits is divisible by 9.


Example of divisibility rule for 21?

a number is divisible by 12 if the number is also divisible by both 3 and 7. You mean a number is divisible by 21 if it is divisible by 3 and 7.


What is the divisibility rule for eight?

A number is divisible by 8 if and only if it is an integer and the last three digits make a number that is divisible by 8. A general divisibility rule for 2^n where n is an integer is to take the last n digits and if they make a number that is divisible by n then it is divisible by n.


What are the divisibility rules to determine if 634 is divisible by 2?

Any even number is divisible by 2.


What are the divisibility rules of all prime numbers?

The divisibility rules for a prime number is if it is ONLY divisible by 1, and itself.


What is the number 2 divisibility rule?

If the number is even, it's divisible by 2.


What is the divisibility rules for 2?

If a number is even, then it is divisible by 2.


What divisibility rule can be used on 90?

If a number ends in 0, it is divisible by 10.


Which divisibility rule can be used to show 585 is divisible by 3?

The divisibility rule of 3 is that you add the digits together and then if the number you come up with is divisible by 3, then the number itself is divisible by 3. In this instance, 5 + 8 + 5 = 18/3 = 6, therefore, 585 is divisible by 3.


What is divisibility rule of 15?

A number is divisible by 15 if it is divisible by the prime factors of 15, that is, 5 and 3.


What is divisibility test rule for 12?

If a number is divisible by both three and four, it's divisible by twelve.


Divisibility rule -divisible by 12?

If a number is divisible by 3, and also by 4, then it is divisible by 12 - so you might use the divisibility rules for those two numbers. Although it might be simpler just to perform the division.


Why does divisibility rule for 2?

The divisibility rule for 2 works because the base of our number system, 10, is divisible by 2.


Is there a need to test for divisibility by 8 if the number is not divisible by 2?

No. If it is not divisible by 2 it cannot be divisible by 8, so don'y bother.


Divisibility by 9?

If the digit sum of a number is 9 then it is divisible by 9


What is the divisibility for the number 7?

7 is only divisible by 1 and itself.


What is the divisibility rule for 14?

The number must be divisible by 2 and by 7.