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The rule for converting log bases is:

log4(7) = log2(7)/log2(4)

Now 4 = 2 squared so log2(4) = 2

So log4(7) = log4(7)/2 = (1/2)*log2(7)

By the way, the "new and improved" browser now does not accept subscripts or superscripts so I hope you understand this.

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10y ago

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Q: How do you express log4 7 as a single logarithm with base 2?
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