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anonymous

  • 5 years ago

does anyone know how to solve this long handed? log(base7)727 I don't have a graphing calculator and i need to be able to do it long handed for the test this week.

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  1. amistre64
    • 5 years ago
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    7^x = 727 ; start out by seeing how close you can get with it: 7 = 7 7*7 = 49 7*7*7 = 343 7*7*7*7 = 2401; so its between 3 and 4

  2. amistre64
    • 5 years ago
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    change of base would help if you new a common base that 7 and 727 go into;

  3. anonymous
    • 5 years ago
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    okay

  4. anonymous
    • 5 years ago
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    Thank you very much!

  5. amistre64
    • 5 years ago
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    yw, hope you do well :)

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