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B. I Direction: Fill in yhe blanks to complete the divisibility rules in 3,6 and 9.
4) A number is divisible by 3 if tho sum of at all the digits of the numbers is divisible by by ___?
5) A number is divisble by ___ ?if the sum at all the digits of number is divisible by 9 or a multiple times of 9
6) If a number is divisble by both 2 and 3 then it is divisible by ___?

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Answer:

4) Yes, a number is divisible by 3 if the sum of its digits is divisible by 3.

5) Divisible by 9 is discussed below: A number is divisible by 9, if the sum is a multiple of 9 or if the sum of its digits is divisible by 9. Consider the following numbers which are divisible by 9, using the test of divisibility by 9: 99, 198, 171, 9990, 3411.

6) Solution: Divisibility rule of 6 states that if a number is divisible by 6, then it is both divisible by 2 and 3. Therefore, if a number is divisible by both 2 and 3 then we can say the number is divisible by 6.

Step-by-step explanation:

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