Respuesta :

Answer:

Choice D

Step-by-step explanation:

(9.1 x 10^5) - (9.3 x 10^4)

910000 - 93000 = 817,000 = 8.17 x 10^5

usually, you would want a whole number in standard notation

A. 0.817 x 10^6 = 817,000

B. 817 x 10^3 = 817,000

C. 8.17 x 10^4 = 81,700

D. 8.17 x 10^5 = 817,000