Question
Identify from the choices below the number that is divisible by both 3 and 9. Responses 52 52 - no response given 48 48 - no response given 27 27 - no response given 39
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Answered by
GPT-4o mini
To determine which numbers are divisible by both 3 and 9, you can check each number from the given list. A number must be divisible by 9 if it is also divisible by 3, as any number divisible by 9 is inherently divisible by 3.
1. **52**:
- Divisibility by 3: \(5 + 2 = 7\) (not divisible by 3)
- Not divisible by either.
2. **48**:
- Divisibility by 3: \(4 + 8 = 12\) (divisible by 3)
- Divisibility by 9: \(48 \div 9 = 5.33\) (not divisible by 9)
- Not divisible by 9.
3. **27**:
- Divisibility by 3: \(2 + 7 = 9\) (divisible by 3)
- Divisibility by 9: \(27 \div 9 = 3\) (divisible by 9)
- Divisible by both 3 and 9.
4. **39**:
- Divisibility by 3: \(3 + 9 = 12\) (divisible by 3)
- Divisibility by 9: \(39 \div 9 = 4.33\) (not divisible by 9)
- Not divisible by 9.
**Conclusion**: The only number in the list that is divisible by both 3 and 9 is **27**.
1. **52**:
- Divisibility by 3: \(5 + 2 = 7\) (not divisible by 3)
- Not divisible by either.
2. **48**:
- Divisibility by 3: \(4 + 8 = 12\) (divisible by 3)
- Divisibility by 9: \(48 \div 9 = 5.33\) (not divisible by 9)
- Not divisible by 9.
3. **27**:
- Divisibility by 3: \(2 + 7 = 9\) (divisible by 3)
- Divisibility by 9: \(27 \div 9 = 3\) (divisible by 9)
- Divisible by both 3 and 9.
4. **39**:
- Divisibility by 3: \(3 + 9 = 12\) (divisible by 3)
- Divisibility by 9: \(39 \div 9 = 4.33\) (not divisible by 9)
- Not divisible by 9.
**Conclusion**: The only number in the list that is divisible by both 3 and 9 is **27**.
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