Question:

Please help!!!!!!!!!!!!!!!?

by  |  earlier

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i need help on my homework again lmfao :P

please reply asap i need to get this done or im gonna be busted by parents. ok here is the question plz explain 2 how u got it

what is the smallest whole number that is divisable by 2, 3, 5, 6, 9, adn 10? EXPLAIN plzzzzz help

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5 ANSWERS


  1. 180


  2. read below, it is 180, she's right

  3. 2 = 1 x 2

    3 = 1 x 3

    5 = 1 x 5

    6 = 1 x 2 x 3

    9 = 1 x 3 x 3

    10 = 1 x 2 x 5

       2 | 2 3 5 6 9 10   (divide each number by 2)

          -----------------

       3 |  1 3 5 3 9 5    (divide each number by 3)

          ----------------

       5 |  1 1 5 1 3 5    (divide each number by 5)

          ----------------

             1 1 1 1 3 1

    (I cannot align the lines properly, but it is a division symbol.)

    so, the smallest whole number = 2 x 3 x 5 x 3 = 90


  4. 90....because it just is.

  5. Start with the highest number, 10.

    It has to be a multiple of 10, so either 10, 20, 30, 40, 50 etc...

    60 is divisible by all but 9.

    90 is divisible by all but 6.

    180 is the smallest.

    *EDIT* it is actually 90. Because 6 times 15 is 90.

    So the answer is 90

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