Answer:
The answer is C
Step-by-step explanation:
I got it right on my quiz
C. 10⁻⁷ cm
One nanometer = 10⁻⁹ meter
1 meter = 10² cm
one nanometer = 10⁻⁹ x 10² cm
= 10⁻⁹⁺² cm
= 10⁻⁷ cm .
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