SOLUTION: Use logb(4)=1.386 and/or logb(7)=1.946 to find logb(28)

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Question 1156430: Use logb(4)=1.386 and/or logb(7)=1.946 to find logb(28)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39628)   (Show Source): You can put this solution on YOUR website!

Answer by MathTherapy(10556)   (Show Source): You can put this solution on YOUR website!

Use logb(4)=1.386 and/or logb(7)=1.946 to find logb(28)
Hint: 
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