How many numbers have exactly 3 digits when expressed in either bases 5 or 11?
Answers
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Answer:
consonant 5 or 11
Step-by-step explanation:
because 15, 30 that's why 5 consonant.
because 33,66 that's why 11 consonant.
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For Base 5 the number of 3-digits
For Base 11 the number of 3-digits
Explanation:
For Base 5
Number of ways to fill the left most place is 5 excluding "0" , since it is 3-digits number.
other 3 places can be fill with 6 different digits
Hence,
For base 11
Number of ways to fill the left most place is 11 excluding "0" , since it is 3-digits number .
other 3 places can be fill with 11 different digits
Hence, .
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