Respuesta :

amlopez915

Answer:

6.984 x 10^10

Step-by-step explanation:

(7.2 x 10^3) x (9.7 x 10^6)

7.2 x 9.7 = 69.84

3+6=9

69.84 x 10^9

The first number has to be between 1 and 10 and it can't be a 0. So you move it to the left and add 1 to the exponent.

6.984 x 10^10

good job