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

(a) 183 × 106 nanometres 

(b) 234 × 106 nanometres 

(c) 183 × 107 nanometres 

(d) 234 × 107 nanometres

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1 Answers

(c) 183 × 107 nanometres 

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