Respuesta :

UnivocalSix
the answer is 325,000
s157778

Answer:

4.5*10^4 + 280,000 = 3.25 x 10^5

Step-by-step explanation:

4.5*10^4 + 280,000

= 3.25 x 10^5 (scientific notation)

= 3.25e5 (scientific e notation)

= 325 x 10^3 (engineering notation)