Asked by aidan

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
Answered by PsyDAG
Disagree. Count the number of zeros to get to your value.
Answered by aidan
Is it B?
Answered by Damon
yes, move decimal point right ten to get one non-zero digit left of decimal point.
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