Respuesta :

The answer is 61 200 000.

If we want to get 6.12 x [tex]10^{x}[/tex] we need to move the decimal to left. To obtain 6.12, we move the decimal to the left 7 times. So the answer will be 6.12 x 10 to the power of 7.

Therefore, the answer is C.

The answer is C. When you add 4.21 * 10^7 + 1.91 * 10^7 you get 61.2 * 10^6