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At a boarding school, in the evening, 9 students always take walks in groups of 3. How can the groups be arranged so that each person walks in a group with every other person exactly once in 4 days? I would like to know whether
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Simplify the equation: 8^3 X 8 I know that 8^3 is 1/512 so do I now multiply the 8 to the 1 and 512?
asked by Hannah on August 26, 2010