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31 August, 15:58

A plate moves 200 m in 10,000 years. What is its rate in cm/year?

A) 0.02 cm/year

B) 2 cm/year

C) 10 cm/year

D) 100 cm/year

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Answers (1)
  1. 31 August, 17:36
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    B. 2cm/year

    Explanation:

    To convert 200m to cm, we multiply by 100.

    This will be 200*100 = 20,000cm

    Time is given as 10,000years

    Rate in this case is the ratio of distance to time

    Rate = distance/time

    Rate = 20,000cm/10,000years

    Rate=2cm/year
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