Question

Tyler’s math class found that it would take 2.5×10^8 dollar bills to cover a square mile area. The surface area of the United States is about 3.8×10^6 square miles. About how many dollar bills are needed to cover the United States?
6.3×10^14


9.5×10^14


6.3×10^48


9.5×10^48

Answer 1

Answer:

9.5×10^14

Step-by-step explanation:

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Answer 2

Answer:

9.5x10^48

Step-by-step explanation: