Respuesta :

Answer:

4.7*10^5 would be least, 5.2*10^5 would be the middle child, and 3.9*10^8 would be the most.

Explanation:

The trick in this question is that at first glance 3.9*10^8 is the smallest, though it is actually several digits larger than the rest.

Answer:

1. 4.7 x 10 exponent 5

2. 5.2 x 10 exponent 5

3. 3.9 x 10 exponent 8

Step-by-step explanation: