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6 May, 04:17

1. There are 10 kids running a race. How many ways are there for them to come in first, second, and third place?

2. In a drawing, a jar holds the numbers 1 to 8. If you draw three numbers to form a three-digit number (without replacement), what is the probability you will draw 135?

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  1. 6 May, 04:44
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    1. 10 x 9 x 8 = 720

    There are 720 ways for them to come in first, second and third place.

    2. Probability = 1/8 x 1/7 x 1/6 = 1/336

    The probability is 1/336 or 0.002976.
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