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anonymous

  • one year ago

Helppp Pleeaassee!!! Estimate the value of the logarithm to the nearest tenth log9 61 a. 6.3 b. 0.5 c. -1.9 d. 1.9

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  1. Nnesha
    • one year ago
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    \[\huge\rm log_a b = \frac{ \log b }{ \log a }\] change of base formula apply that

  2. anonymous
    • one year ago
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    ok.. how?

  3. Nnesha
    • one year ago
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    like this \[\huge\rm log_a b = \frac{ \log b }{ \log a }\] |dw:1432867315093:dw|

  4. anonymous
    • one year ago
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    umm this just looks like the same thing on all 3 sides? im not understanding :/

  5. Nnesha
    • one year ago
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    on all 3 sides ? what do you mean what is b in ur question and what is a(base)

  6. anonymous
    • one year ago
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    um idk what any of that is? all i was given was log9 61?

  7. anonymous
    • one year ago
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    how do i know what the base is?

  8. Nnesha
    • one year ago
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    that's very good question ......

  9. Nnesha
    • one year ago
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    |dw:1432867635536:dw| \[\log_2 = \] ^ base 2

  10. Nnesha
    • one year ago
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    \[\huge\rm log_8 = base~8\]

  11. Nnesha
    • one year ago
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    so what's the base of \[\huge\rm log_9 61\]?

  12. anonymous
    • one year ago
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    ugh im sorry i'll just close this question because none of this is making sense to me

  13. Nnesha
    • one year ago
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    if you don't know what the base of given log you can't understand other log question good luck!

  14. Nnesha
    • one year ago
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    in other words that's the first step of this unit :-)

  15. Nnesha
    • one year ago
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    |dw:1432868106697:dw| example i hope it make sense

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