Question

Perform the operation. Enter your answer in scientific notation.


3.2 × 107 + 7.2 × 108 =

Answer 1

Answer:

1, 120

Step-by-step explanation:

    3.2 x 107 = 342.4

                                               

+   7.2 x 108 = 777.6

_____________________

                       1, 120                          

Answer 2

Answer:

(3.2 × 107) + (7.2 × 108) =

342.4 + 777.6 =

1120

Step-by-step explanation: