4. The radius of a hydrogen atom is 0.000000000025 meter. How would you express this radius in scientific notation?

Tom Corelis asked Jan 21, 2023

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12 votes

4. The radius of a hydrogen atom is

0.000000000025 meter. How would you
express this radius in scientific notation?

Tom Corelis asked Jan 21, 2023

2.6k points

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23 votes

Answer:

2.5×10^-11

Explanation:

Put the point in the middle of 2 and 5 and count how many times you need to get there ...

like 0.05 to put point after 5 you have to jump 2 steps so it is 5×10^-2.

Martin Ernst answered Jan 25, 2023

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