Evaluate the following logarithmic expressions: (Criteria A)a) log28b) log101000c) lned) log3(1/27)e) log5125
Question
Evaluate the following logarithmic expressions:
a) log2 8
b) log10 1000
c) ln e
d) log3 (1/27)
e) log5 125
Solution
Sure, here are the evaluations for the given logarithmic expressions:
a) log2 8 The base of the logarithm is 2 and we are looking for the power to which 2 must be raised to get 8. Since 2^3 = 8, the answer is 3.
b) log10 1000 The base of the logarithm is 10 and we are looking for the power to which 10 must be raised to get 1000. Since 10^3 = 1000, the answer is 3.
c) ln e The base of the natural logarithm (ln) is e (approximately 2.71828) and we are looking for the power to which e must be raised to get e. Since e^1 = e, the answer is 1.
d) log3 (1/27) The base of the logarithm is 3 and we are looking for the power to which 3 must be raised to get 1/27. Since 3^-3 = 1/27, the answer is -3.
e) log5 125 The base of the logarithm is 5 and we are looking for the power to which 5 must be raised to get 125. Since 5^3 = 125, the answer is 3.
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