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3 votes
What is 0.000000685 written in scientific notation?

a. 685×10^−9
b. 68.5×10^−8
c. 6.85×10^−8
d. 6.85×10^−7

User Yhn
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1 Answer

3 votes
b.68.5×10^-8 is the only possible answer
User Agenthunt
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