3400 is divisible by

Answer
To determine which options 3400 is divisible by, we should check its divisibility by both 10 and 100. 1. **Divisibility by 10**: A number is divisible by 10 if it ends with a 0. The number 3400 ends with a 0, therefore it is divisible by 10. 2. **Divisibility by 100**: A number is divisible by 100 if it ends with two 0s. The number 3400 ends with two 0s, therefore it is also divisible by 100. Now, we can analyze the options: - **A. 10 but not 100**: This is incorrect because 3400 is divisible by both 10 and 100. - **B. 100 but not 10**: This is also incorrect since 3400 is divisible by both 10 and 100. - **C. both 10 and 100**: This is correct because 3400 is divisible by both. - **D. neither 10 nor 100**: This is incorrect since we established that it is divisible by both. Therefore, the correct answer is option C: both 10 and 100.