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Changing Bases to Evaluate Logarithms in Exercise, use the change-of-base formula and a calculator to evaluate the logarithm. See Example 9.
log7 2/9

Respuesta :

princessesther2011

Answer:

-0.7781

Step-by-step explanation:

Using the change of base formula,

Log 2/9 to base 7 = Log (2/9) ÷ Log 7 = Log 0.22 ÷ Log 7

Log 0.22 = -0.6576

Log7 = 0.8451

Log 0.22 ÷ Log 7 = -0.6576 ÷ 0.8451 = -0.7781

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