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How can the height of a person who is six feet tall be expressed (approximately) in nanometers

,

How can the height of a person who is six feet tall be expressed (approximately) in nanometers?

(a)

nanometers

(b)

nanometers

(c)

nanometers

(d)

nanometers

Answer:

(c)

Explanation

Six feet equals approximately 1.8 meters or 1.8e+9 nanometers.