Question

If a one dollar bill is 0.0001 meters thick, how many meters tall would a stack of 4 trillion one dollar bills be?

Answer 1

So multiply .0001 by 4,000,000,000,000.
so use the decimal thing 1st.
so 1*4,000,000,000, and thats ur answer

Answer 2

Answer:

$4*10^{8}\text{ meters}=400,000,000\text{ meters}$.

Step-by-step explanation:

We have been given that a one dollar bill is 0.0001 meters thick. We are asked to find the height of a stack of 4 trillion one dollar bills.

We know that $\text{1 trillion}=10^{12}$. To find the thickness of a stack of 4 trillion one dollar bills we will multiply 0.0001 by 4 trillion.

Let us convert 0.0001 into scientific notation as:

$0.0001=1\times 10^{-4}$

$\text{The height of 4 trillion one dollar bills}=4*10^{12}\times 1\times 10^{-4}\text{ meters}$

Using exponent property $a^b\times a^c=a^{b+c}$ we will get,

$\text{The height of 4 trillion one dollar bills}=4*10^{12-4}\text{ meters}$

$\text{The height of 4 trillion one dollar bills}=4*10^{8}\text{ meters}=400,000,000\text{ meters}$

Therefore, the stack of 4 trillion one dollar bills would be $4*10^{8}\text{ meters}=400,000,000\text{ meters}$.