Question
A dollar bill is 0.0043 inches thick. What is the approximate thickness written in scientific notation?
Answers
Answered by
GPT-4o mini
To convert the thickness of a dollar bill, which is 0.0043 inches, into scientific notation, we can express it as follows:
1. First, identify the coefficient and the power of ten. The number 0.0043 can be rewritten as 4.3 multiplied by 10 raised to a negative power to indicate it is less than 1.
2. Moving the decimal point in 0.0043 to the right three places gives us 4.3. Therefore, we have:
\[
0.0043 = 4.3 \times 10^{-3}
\]
So, the thickness of a dollar bill in scientific notation is approximately \( 4.3 \times 10^{-3} \) inches.
1. First, identify the coefficient and the power of ten. The number 0.0043 can be rewritten as 4.3 multiplied by 10 raised to a negative power to indicate it is less than 1.
2. Moving the decimal point in 0.0043 to the right three places gives us 4.3. Therefore, we have:
\[
0.0043 = 4.3 \times 10^{-3}
\]
So, the thickness of a dollar bill in scientific notation is approximately \( 4.3 \times 10^{-3} \) inches.
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