2.47 × 10^{7} = 24700000
2.4 × 10^{9} = 2400000000
2.74 × 10^{9} = 2740000000
2.7 × 10^{8} = 270000000
2.7 × 10^{7} = 27000000
2.4 × 10^{8} = 240000000
2.07 × 10^{7} = 20700000
2.4 × 10^{7} = 24000000
2.07 × 10^{8} = 207000000
2.77 × 10^{9} = 2770000000
There are more activities on the more general topic of Indices and some particularly useful links can be found below:
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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