SOLUTION: [ How many 6-digit base-eight numbers contain exactly 3 fives? How many 6-digit base-eight numbers contain at most five zeros? ]

Question 820953: [ How many 6-digit base-eight numbers contain exactly 3 fives?
How many 6-digit base-eight numbers contain at most five zeros? ]
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
How many 6-digit base-eight numbers contain exactly 3 fives?
answer:
7^3 = 343
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How many 6-digit base-eight numbers contain at most five zeros?
8^5 + 7 = 32775
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