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  1. 15,409 = (1 x 10000) + (5 x 1000) + (4 x 100) + (0 x 10) + (9 x 1)

    15,409 = (1 x 10000) + (5 x 1000) + (4 x 100) + (0 x 10) + (9 x
    1)

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  2. It can be done. Using all ones.1 11 11+_________32

    It can be done. Using all ones.

    1 1

    1 1

    1

    +

    _________

    32

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  3. Some people say its impossible but its really not. 5 odd numbers can make 32, if you add them together. Its as simple as this:15+9+5+3. You may think its 4 numbers but its not. 1 is one number, 5 is two numbers, 9 is 3 numbers, 5 is four numbers, and 3 is five numbers. You asked for 5 odd numbers anRead more

    Some people say its impossible but its really not. 5 odd numbers
    can make 32, if you add them together. Its as simple as
    this:15+9+5+3. You may think its 4 numbers but its not. 1 is one
    number, 5 is two numbers, 9 is 3 numbers, 5 is four numbers, and 3
    is five numbers. You asked for 5 odd numbers and they are all odd,
    and it equals 5 numbers. This question is more of a riddle, than a
    math question. It takes brilliant minds to know this stuff. (Still
    dont understand: when you look at those numbers, 15 is not one
    number, its really two numbers, so dont look at it as 15, look at
    it as 1, and 5. ) I really hope this helped you because it took me
    3 hours to figure this answer out!

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  4. September has 19 days that are prime numbers Note: 1 is not prime or composite

    September has 19 days that are prime numbers

    Note: 1 is not prime or composite

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