Question

Order 34 x 102, 1.2 x 107, 8.11 x 10-3, and 435 from least to greatest.

Answer 1

You can estimate each number, and then you can write them in order.
34 x 102 is approximately the same as 34 x 100
1.2 x 107 is approximately equal to 1.2 x 100
8.11 x 10^-3 is approximately the same as 8 x 0.001
435 is simply 435