give five examples of numbers,each one of which is divisible by 3 but not divisible by 9.
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Answers
Step-by-step explanation:
Divisibility Rule for 3
If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.
Some examples of numbers divisible by 3 are as follows.
The number 85203 is divisible by 3 because the sum of its digits 8+5+2+0+3=188+5+2+0+3=18 is divisible by 3.
The number 79154 is not divisible by 3 because the sum of its digits 7+9+1+5+4=267+9+1+5+4=26 is not divisible by 3.
Divisibility Rule for 9
If the sum of the digits of a number is divisible by 9, then the number is divisible by 9.
Some examples of numbers divisible by 9 are as follows.
The number 51984 is divisible by 9 because the sum of its digits 5+1+9+8+4=275+1+9+8+4=27 is divisible by 9.
The number 91403 is not divisible by 9 because the sum of its digits 9+1+4+0+3=179+1+4+0+3=17 is not divisible by 9.
Five examples which are divisible by 3 bit not by 9 are
39, 273, 66, 21, 24
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