Respuesta :

The equation can be solved by following these steps:
(1.5 * 1.89) * 10 ^4+3
(2.835) * 10^7
10^7 can also be written as e.70
'e' stands for exponential. 
Therefore, we have  2. 835 e 7.0 = 2.8 e 7.0.
Thus, the correct option is A.