HELP PLEASE !!!!!!!Estimate each number as a single digit times a power of ten.drag expressions to complete the table each expression may be used or not at all

HELP PLEASE Estimate each number as a single digit times a power of tendrag expressions to complete the table each expression may be used or not at all class=

Respuesta :

Answer:

1 is 4x10^-9

2 is 4x10^10

3 is 5x10^7

4 is 2x10^-5

Step-by-step explanation:

I also would use calculator soup it's a good website