This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Answer
2 \times 3^2 $$
Here's the solution to your questions:
a) To find when the bells will ring together again, we need to find the Least Common Multiple (LCM) of their ringing intervals: 18 hours, 16 hours, and 12 hours.
Step 1: Find the prime factorization of each number.
Step 2: Calculate the LCM by taking the highest power of each prime factor present.
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Here's the solution to your questions: Question Seven a) To find when the bells will ring together again, we need to find the Least Common Multiple (LCM) of their ringing intervals: 18 hours, 16 hours, and 12 hours.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.