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matrenka [14]
3 years ago
7

The annual expenditure of the US federal government is approximately 444 trillion dollars. If a one dollar bill is 0.00010.00010

, point, 0001 meters thick, how many meters tall would a stack of 444 trillion one dollar bills be? Write your answer in scientific notation. For reference: 111 trillion =10^{12}=10 12
Mathematics
1 answer:
Vsevolod [243]3 years ago
7 0

Answer:

4*10^{7} meters.

Step-by-step explanation:

This question can be solved using a rule of three.

If a one dollar bill is 0.0001 meters thick.

So 1 dollar is 10^{-5}m tall.

How tall is 4 trillion one dollar bills?

1 trillion = 10^{12}

So 4 trillion = 4*10^{12}

Then

1 dollar - 10^{-5}m

4*10^{12} - xm

x = 4*10^{12}*10^{-5} = 4*10^{7}

The answer is 4*10^{7} meters.

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