2.07 × 10^{4} = 20700
2.4 × 10^{4} = 24000
2.47 × 10^{3} = 2470
2.07 × 10^{3} = 2070
2.7 × 10^{3} = 2700
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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