Respuesta :

Answer:

3.2 x 10^2 - 8.7 x 10^6 =  8.69968 × 10^6

Step-by-step explanation:

= 8.69968 × 10^6

(scientific notation)

= 8.69968e6

(scientific e notation)

= 8.69968 × 10^6

(engineering notation)

(million; prefix mega- (M))

= 8699680

(real number)