The sequence appears to be alternating between dividing by 2 and multiplying by 10. Starting with 20, we divide by 2 to get 10, then multiply by 10 to get 100, then divide by 2 to get 50, and finally multiply by 10 to get 500. Therefore, the next number in the sequence would be 500 divided by 2, which equals 250.
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10,000
500 2500.
1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500.
There are multiple answers to this question !... 5 x 100... 25 x 20 and 50 x 10 are just three possibilities. The factor pairs of 500 are: 1 × 500 2 × 250 4 × 125 5 × 100 10 × 50 20 × 25
1 2 4 5 10 20 25 50 100 125 250 500 = 1,092.