State whether true or false:
If a number is divisible by 9, it must be divisible by 3.

True

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False

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Solution

The correct option is A True
Since 9 is divisible by 3, every number divisible by 9 will be also be divisible by 3. This happens because in the divisibilty test formula of 9, the sum of the digits should be divisible by 9. If this sum is divisible by 9, it automatically is divisible by 3 since 3 is a factor of 9.

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State whether true or false:If a number is divisible by 9, it must be divisible by 3.

State whether true or false:
If a number is divisible by 9, it must be divisible by 3.