Test the following for the divisibility by 3 and 9- 99999(ACCORDING TO DIVISIBILITY RULE)
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For divisible by 3 sum of all numbers should be equal to a number which is in its multiple like in this case
9+9+9+9+9 = 45
We know that 45 is multiple of 3 so it will divide by 3.
Same for 9
Addition should be multiple of 9
Here , 9+9+9+9+9 = 45
It is multiple of 9 so it will divide with 9.
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Step-by-step explanation:divisibility of 9 is sum of the digits should be divisible by 9
So, 9 + 9 + 9 + 9 + 9 is equal to 45
4Plus5 is equal to 9
So, it's divisible by 9
The same is the rule for the divisibility of 3 so, 9 + 9 + 9 + 9 + 9 is equal to 45 4+ 5 is equal to 9 so, 9 is divisible by 3 and hence 99999 is divisible by 3
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