Problem

An animal cell has a diameter of $1\times 10-5$ meter. $A$
bacterium has a diameter of $2\times 10-7$ meter. How many
times as great is the diameter of the animal cell as the
diameter of the bacterium?
$O5\times 10^{3}$ times
$O1\times 10^{2}$ times
$O5\times 10^{1}$ times
$O2\times 10^{2}$ times

7th-9th grade

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Solution

Qanda teacher - kamesh

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