What is the next number in the sequence 5, 10, 20, 40, ...?

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Multiple Choice

What is the next number in the sequence 5, 10, 20, 40, ...?

Explanation:
This sequence is a doubling pattern. Each term is twice the one before it: 5 → 10 → 20 → 40. To keep that pattern going, multiply by 2 again: 40 × 2 = 80. The other options break the rule of doubling—60 would not continue a doubling sequence, 120 would jump by a different factor, and 40 would just repeat the last term rather than extend the progression.

This sequence is a doubling pattern. Each term is twice the one before it: 5 → 10 → 20 → 40. To keep that pattern going, multiply by 2 again: 40 × 2 = 80. The other options break the rule of doubling—60 would not continue a doubling sequence, 120 would jump by a different factor, and 40 would just repeat the last term rather than extend the progression.

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