6.28 × 10^{2} = 628
6.8 × 10^{2} = 680
6.08 × 10^{2} = 608
6.08 × 10^{3} = 6080
6.2 × 10^{3} = 6200
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Level 1 - Five numbers to sort, all with positive powers of 10
Level 2 - Ten numbers to sort, all with positive powers of 10
Level 3 - Ten numbers to sort, all with negative powers of 10
Level 4 - Ten mixed numbers to sort, all greater than 1
Level 5 - Ten mixed numbers to sort, all less than 1