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Type the missing number in this sequence: _____,
Full solution
Q. Type the missing number in this sequence: _____,
- Identify Type: Identify if the sequence is arithmetic or geometric. Each term seems to be multiplied by a common ratio to obtain the next number, indicating that the sequence is geometric.
- Find Ratio: Find the common ratio in the geometric sequence.Two consecutive terms are and .Common Ratio:
- Verify Ratio: Verify the common ratio with another pair of consecutive terms.Another pair of consecutive terms is and .This confirms that the common ratio is indeed .
- Use Ratio: Use the common ratio to find the missing number in the sequence.The number before the missing term is .The missing number should be .
- Verify Number: Verify the found number by checking if the next term after the missing number follows the common ratio.The number after the missing term is .This confirms that is the correct missing number in the sequence.
