3.5 × 10^{6} = 3500000
3.7 × 10^{5} = 370000
3.07 × 10^{5} = 307000
3.57 × 10^{5} = 357000
3.07 × 10^{6} = 3070000
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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