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base three

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Converting a base six number to base three 2019-03-10
From Nina:
Change 253 in base 6 to a number in base 3
Answered by Penny Nom.
A Weighty Problem 1999-06-17
From A parent:
When using a balance scale, weights can be placed on either side of the scale. For example, if a 10 pound weight provides a counter balance to an object and a 7 pound weight, then the object must weigh 3 pounds. What four weights can be used to weigh objects of 1, 2, 3 ... 38, 39, 40 pounds?
Answered by Penny Nom.
 
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