Respuesta :

MathQ

Answer:

1353.4 x 10^3

Step-by-step explanation:

(7.2 x 107) + (5.5 x 106) = 770.4 + 583 = 1353.4

Scientific Notation: 1353.4 = 1353.4 x 10^3

Answer: 1.3534x10^3

Step-by-step explanation:

(7.2 x 107) + (5.5 x 106) =6767/5 = 1353.4 =  1.3534x10^3