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What is the next number in the series: 0.18, 0.36, 0.72, ?

  1. 0.9

  2. 1.26

  3. 1.44

  4. 1.62

The correct answer is: 1.44

To find the next number in the series, it is important to analyze the pattern in the sequence. The series starts with 0.18, and each subsequent number appears to be the previous number multiplied by 2. - Starting with the first number, 0.18: - The second number is calculated as 0.18 * 2 = 0.36. - Moving to the third number, we again multiply the second number by 2: 0.36 * 2 = 0.72. Continuing this pattern leads us to the next number in the series: - To find the next number after 0.72, we multiply by 2 once more: 0.72 * 2 = 1.44. This calculation shows that the next number in the series is indeed 1.44, which corresponds to the choice indicated. The series consistently doubles each preceding value, making it clear that the correct answer follows this established pattern.