Extended number lec 8 abbreviated.pdf

Extended number lec 8 abbreviated.pdf - Log10 Log10 Log10...

Info icon This preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Log 10 10 = Log 10 1 = Log 10 1000 = Log 10 100000 = Log 10 0.1 = Log 10 0.001 = This is really asking: 10 to the WHAT gives an answer of 10 This is really asking: 10 to the WHAT gives an answer of 100000
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Written as Ln (as opposed to Log) Ln (e 3 ) = 3 Ln (e 0 ) = 0 Ln (e -4 ) = -4 Ln (1.64) =0.495 How???
Image of page 2
Written as Ln (as opposed to Log) Ln (e 3 ) = 3 Ln (e 0 ) = 0 Ln (e -4 ) = -4 Ln (1.64) =0.495 Log (9) = 0.954
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Capital “E” is also important in index notation It is a calculator’s (or computer’s ) shorthand It essentially means “x 10 to the power of..” e.g. 5.2E7 is 5.2 x 10 7 = 52000000 1.65E-2 is 1.65 x 10 -2 =0.0165
Image of page 4
There are several scales which use logarithmic measures. This means that a change of 1 unit is actually a tenfold change…and 2 units is 100 fold Examples:
Image of page 5

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
There are several scales which use logarithmic measures. This means that a change of 1 unit is actually a tenfold change…and 2 units is 100 fold Examples: pH (acidity)
Image of page 6
There are several scales which use logarithmic measures.
Image of page 7

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern