Mathematics

Question

The moon is 384,403 km from the Earth. Estimate how many quarters laid end to end it would take to reach the moon if a quarter has a diameter of 2.3 cm.

2 Answer

  • $16.96  16 times 6% is .96
  • Distance from the moon= dm= 384,403km

    A quarter diameter= dq= 2.3 cm= 0.000023km

    No of quarters= 16,713,173, 913

    To convert cm into km divide cm by 100 and then by 1000

    as

    1m= 100cm

    1km= 1000m

    Therefore

    2.3/100= 0.023 m

    And

    0.023/1000= 0.000023 km

    Dividing the distance from the moon by the diameter of the quarter laid end to end would give the number of the quarters needed.

    No. of quarters= Distance from the moon/ Diameter of the quarter

                                  = 384,403km/0.000023 km

                                  =       16,713,173,913.043

    Rounding  16,713,173,913.043 gives 16,713,173,913 quarters

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