Physics

# 1 micrometer is $10^{-a}$ hectometer. What is value of a?

8

##### SOLUTION
$1$ micrometer $=10^{-6}$ meter and $1$ hectometer $=10^2$ meter
So, $1$ micrometer $=10^{-6}\times \dfrac{10^2}{10^2}$ meter $=\dfrac{10^{-6}}{10^2}\times 1$ hectometer $=10^{-8}$ hectometer
Thus, $a=8$

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