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What is the divisibility rule for 3?
What is the divisibility rule for 3?
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Practice Questions
1 question
Q1
What is the divisibility rule for 3?
The last digit must be 0
The sum of the digits must be divisible by 3
The number must be even
The number must end in 3 or 6
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A number is divisible by 3 if the sum of its digits is divisible by 3.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the divisibility rule for 3?
Solution:
A number is divisible by 3 if the sum of its digits is divisible by 3.
Steps: 5
Show Steps
Step 1: Take the number you want to check for divisibility by 3.
Step 2: Break the number down into its individual digits.
Step 3: Add all the digits together to get a sum.
Step 4: Check if the sum you calculated is divisible by 3 (this means it can be divided by 3 without leaving a remainder).
Step 5: If the sum is divisible by 3, then the original number is also divisible by 3. If not, it is not divisible by 3.
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