# biology

Express the diameter of a carbon atom, 0.00000000022 m, in scientific notation.
A. 0.22 x 10^-9 m
B. 2.2 x 10^-10 m
C. 2.2 x 10^-9 m ***
D. 22 x 10^-11 m
I'm not sure. Can someone please check? Thank you!! I need someone to check just really quick thank you so much

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3. 👁 53
1. Disagree. Count the number of zeros to get to your value.

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2. Is it B?

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3. yes, move decimal point right ten to get one non-zero digit left of decimal point.

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👨‍🏫
Damon

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