Why can't 9 be raised to a power to equal 64?
How to rewrite a logarithm using the change of base formula, log9 (64)
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains why 9 cannot be raised to a power to yield 64, introducing the change of base formula as a solution. It demonstrates using both common and natural logarithms to solve the problem, emphasizing the necessity of a calculator for such calculations. The tutorial concludes by affirming the correctness of using the natural log in this context.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the change of base formula in logarithms?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What alternative to using logarithms was mentioned for evaluating logarithms?
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4.
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3 mins • 1 pt
What was the answer chosen for the logarithm evaluation in the discussion?
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5.
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3 mins • 1 pt
How can you evaluate a logarithm without a calculator?
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