Respuesta :

oscar236

Answer:

2.45x10^3

3.13x10^1

4.987

1.157x10^-4

Step-by-step explanation:

I have assumed that 1.1.57 = 1.157 and the same with the second and third numbers.

3.13 * 10^1 = 31.3

1.157 * 10^-4 = 0.0001157

2.45 * 10^3 = 2450.