SOLUTION: Can you pls help me with the following:
Use the Change of Base Formula to evaluate each expression. Leave your answer in "calculator ready" format.
log_2⁡7
Thank yo
Algebra.Com
Question 409819: Can you pls help me with the following:
Use the Change of Base Formula to evaluate each expression. Leave your answer in "calculator ready" format.
log_27
Thank you!!
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
No calculator I know of :knows" base 2 logarithms. So the only way to express this logarithm in a way that your calculator can handle is to use the Change of Base Formula to change this base 2 logarithm into an expression involving logarithms your calculator does "know", like base 10 or base e (aka ln).
The Change of Base Formula is:
We can use this to change to base 2 logarrthm into an expression of base 10 logarithms:
or base e logarithms:
Note: If you actually calculate both of these expressions you will find, believe it or not, that they are equal!
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