Tuesday, 15 January 2013

HCF & LCM Q10

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So once you find the LCM of all the numbers,you should get :
2 x 7 x 3 x 2 x 3 x 5 x73= 91980
But 91980 is in days, so in years you should have:91980 divided by 365(1 year on Earth) so you         should get 252 years.
So the next year that an eclipse would occur on Earth would be in the year :1992 + 252 = 2244
So the answer is :2244







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3 comments:

  1. Chua Chester （蔡炜杰）17 January 2013 at 13:22

    Beverly & Chester
    (1) Content
    Quite accurate and easy to understand.
    (2) Presentation
    Clear

    ReplyDelete
  2. Tan Yun Ting Lynette (陈筠婷09）17 January 2013 at 13:25

    Myat Noe, Lynette and Sabrina
    (1) Content
    Accurate but could be easier to understand. (sorry cannot read your handwriting lol)
    (2) Layout/Presentation
    The picture is a bit dark and blur.

    ReplyDelete

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