What is the smallest whole number $b$ such that 47 can be expressed in base $b$ using only two digits?
Question:
What is the smallest whole number $b$ such that 47 can be expressed in base $b$ using only two digits?
Answer:
Let's think step by step.

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What is the smallest whole number $b$ such that 47 can be expressed in base $b$ using only two digits?
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