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For how many n, 7 <= n <= 100, ,is the base-n number 235236_n a multiple of 2?

 Oct 14, 2022
 #1
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The answer is 15.

 Oct 14, 2022
 #2
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Notice, the "digits" of our number correspond to the coefficients on the powers of ten that are added together to obtain the value of our number.

In a similar manner, we can specify numbers in other "bases" (besides 10), using different digits that correspond to the coefficients on the powers (of the given base) that must be added together to obtain the value of our number. TellCulvers.com

 Oct 14, 2022
edited by Guest  Oct 14, 2022

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