Question

1. Which of the following statements are true?
(a) If a number is divisible by 3, it must be divisible by 9.​

Answer 1

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.

Answer 2

Answer:

false

If a number divisible by nine it is divisible by three

Step-by-step explanation:

hope it helps you plz mark as brainliest ✳️✳️

thanks my answer and follow for more