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base 3

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Division in base 3 2014-09-30
Nnubia pose la question :
1021 in base 3 divided by 2 in base 3
Penny Nom lui répond.
How can I teach how to change bases? 2013-02-20
Tammy pose la question :
How can I teach how to change bases? For example 80 base 10 changed to base 3. Thank you!
Harley Weston lui répond.
Converting base 3 to 5 2011-02-28
Harry pose la question :
Hey Math Central, I came across your website and im in need of help on my maths c assignment. I have to convert base 3 to 5 without converting back to ten. I heard that you can use patterns in 3 and 5 to make an equation but im not sure how to and i also heard you can use logarithms but i dont know how to use those so im kinda stumped.
Robert Dawson lui répond.
A Weighty Problem 1999-06-17
A parent pose la question :
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?
Penny Nom lui répond.
 
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