Respuesta :

Answer: 4.5×10^9

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10

10

. The sign of the exponent will depend on the direction you are moving the decimal.

4.5

×10

9

That answer is correct, I checked:)