How many 100 dollar bills in 54 billion dollars?

Answer 1

I would use powers of 10 to answer this.

100 is 10^2

54 billion is 5.4 x 10^10

so you are left with the answer to what is 54 x 10^10 / 10^2

you are left wih 5.4 x 10^8 or 540 million (540,000,000)