Question
A scientist calculates that the thickness of a piece of paper is \( 1.09 \times 10^{-4} \mathrm{~m} \). Write this thickness as an ordinary number. Give your answer in metres \( (\mathrm{m}) \).
Ask by Hall Ross. in the United Kingdom
Feb 03,2025
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Answer
The thickness of the paper is 0.000109 meters.
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Beyond the Answer
To express the thickness of the paper as an ordinary number, you simply move the decimal point four places to the right, since the exponent is \(-4\). This gives you \(0.000109\) meters. So, the thickness of the paper is \(0.000109 \, \text{m}\).