Respuesta :

Answer:

477

Step-by-step explanation:

  1. (3.2 × 104) = 332.8
  2. (1.4 × 103) = 144.2
  3. Plug the answers above in: (332.8) + (144.2)
  4. (332.8) + (144.2) = 477

I hope this helps!