Joan's bacteria project produced 8.2x10^8 cells and Kim's project produced 5.8x10^8 cells. The girls determined that Joan's project produced 2.4x10^8 more cells than Kim's project. What is 2.4 x10^8 in expanded notation ?

PLZZ HELP !!!

Question

Joan's bacteria project produced 8.2x10^8 cells and Kim's project produced 5.8x10^8 cells. The girls determined that Joan's project produced 2.4x10^8 more cells than Kim's project. What is 2.4 x10^8 in expanded notation ?

PLZZ HELP !!!

anonymous · Answer

2.4x10^0=2.4
2.4x10^1=24.0
2.4x10^2=240.0
2.4x10^3=2400.0

Carry on until you get to the eighth power. The number in the power moves the decimal place by that number of places.

bellezabrilla · Answer

@tom982 I did that and I got 240,000,000

anonymous · Answer

Yep, that's the answer :)