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If $10^n = 1000^{20}$, what is
the value of $n$?

Pick one

A $1000$ B $60$ C $2000$ D $300$ E $102$

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Official solution

Using exponent laws, $1000^{20} = (10^3)^{20} = 10^{60}$ and so $n = 60$.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.