Respuesta :

Step-by-step explanation:

  • (2×10^8)(2×10^-2)
  • 4×10^8+(-2)
  • 4×10^6

stay safe healthy and happy.

Answer:

(THIRD/FOURTH QUESTION): 4,000,000/4,096,000,000

Step-by-step explanation:

Third:

10x10x10x10x10= 100,000

100,000x40= 4,000,000

Fourth:

40x40x40x40x40x40= 4,096,000,000