Answer:
an atom is about a trillion times smaller then a speck of dust.
Explanation:
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An atom is 4 times smaller than a speck of dust when both are compared.
The average radius of an atoms is about 0.1 nm ( 0.1 x 10⁻⁹ m).
The average radius of a speck of dust is about 0.1 x 10⁻⁵ m.
The ratio of these particles can be compared as follows;
[tex]ratio = \frac{0.1 \times 10^{-4}}{0.1 \times 10^{-9}} = 10^4[/tex]
Thus, we can conclude that when a speck of dust is compared to an atom, an atom will be 4 times smaller than a speck of dust.
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