Order the list of numbers for small to large

3.2×10^4

4.5×10^4

5.7×10^13

1.9×10^7

-7.6×10^-9

9.3×10^-7

-7.6×10^-9, 9.3×10^-7, 1.9×10^7, 3.2×10^4, 4.5×10^4, 5.7×10^13