Before the invention of calculators, logarithms took much longer to evaluate. (Think of the older generations who went to college in the 1920s... The math they learned was the same, but was all done BY HAND). In the back of their textbooks, they had appendices that looked like this: Prime In(Prime) log(Prime) In(2) = 0.6931 log(2) = 0.3010 In(3) = 1.0986 log(3) = 0.4771 In(5) = 1.6094 log(5) = 0.6990 %3D 5. In(7) = 1.9460 log(7) = 0.8451 In(11) = 2.3979 | log(11) = 1.0414 %3D 11 %3D Using the fact that the number 679, 140 = 2 * 32 *5 * 7 *11 as its prime factorization: (a) use the properties of logs to expand In(679, 140) as far as possible Hint... expand In(22 * 32 *5 * 7° * 11) as far as possible (b) using the table above, plug in the values for each logarithm to four decimal places. What is your answer using the rounded values in the table? (c) Using your calculator, what is the value of In(679140) to 6 decimal places? Explain your answer and why it is similar/different than the answer in part (b) 3.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Before the invention of calculators, logarithms took much longer to evaluate. (Think of the
older generations who went to college in the 1920s... The math they learned was the same,
but was all done BY HAND). In the back of their textbooks, they had appendices that looked
like this:
Prime
In(Prime)
log(Prime)
In(2) = 0.6931
log(2) = 0.3010
In(3) = 1.0986
log(3) = 0.4771
In(5) = 1.6094
log(5) = 0.6990
%3D
5.
In(7) = 1.9460
log(7) = 0.8451
In(11) = 2.3979 | log(11) = 1.0414
%3D
11
%3D
Using the fact that the number 679, 140 = 2 * 32 *5 * 7 *11 as its prime factorization:
(a) use the properties of logs to expand In(679, 140) as far as possible Hint... expand
In(22 * 32
*5 * 7° * 11) as far as possible
(b) using the table above, plug in the values for each logarithm to four decimal places. What
is your answer using the rounded values in the table?
(c) Using your calculator, what is the value of In(679140) to 6 decimal places? Explain your
answer and why it is similar/different than the answer in part (b)
3.
Transcribed Image Text:Before the invention of calculators, logarithms took much longer to evaluate. (Think of the older generations who went to college in the 1920s... The math they learned was the same, but was all done BY HAND). In the back of their textbooks, they had appendices that looked like this: Prime In(Prime) log(Prime) In(2) = 0.6931 log(2) = 0.3010 In(3) = 1.0986 log(3) = 0.4771 In(5) = 1.6094 log(5) = 0.6990 %3D 5. In(7) = 1.9460 log(7) = 0.8451 In(11) = 2.3979 | log(11) = 1.0414 %3D 11 %3D Using the fact that the number 679, 140 = 2 * 32 *5 * 7 *11 as its prime factorization: (a) use the properties of logs to expand In(679, 140) as far as possible Hint... expand In(22 * 32 *5 * 7° * 11) as far as possible (b) using the table above, plug in the values for each logarithm to four decimal places. What is your answer using the rounded values in the table? (c) Using your calculator, what is the value of In(679140) to 6 decimal places? Explain your answer and why it is similar/different than the answer in part (b) 3.
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