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base 3

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Division in base 3 2014-09-30
From Nnubia:
1021 in base 3 divided by 2 in base 3
Answered by Penny Nom.
How can I teach how to change bases? 2013-02-20
From Tammy:
How can I teach how to change bases? For example 80 base 10 changed to base 3. Thank you!
Answered by Harley Weston.
Converting base 3 to 5 2011-02-28
From Harry:
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.
Answered by Robert Dawson.
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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