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vovangra [49]
3 years ago
10

Evaluate rge following logarithmic expression without the use of a calculator.Enter your answer as a fraction reduced to lowest

terms. log8(7√64)
Mathematics
1 answer:
UNO [17]3 years ago
7 0
\bf log_8(\sqrt[7]{64})\qquad 64=8^2\qquad log_8(\sqrt[7]{8^2})\\\\
-----------------------------\\\\
log_{{  a}}{{  a}}^x\implies x\impliedby \textit{using this cancellation rule}\\\\
-----------------------------\\\\
log_8\left( 8^{\frac{2}{7}} \right)\implies \cfrac{2}{7}
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Gnesinka [82]

Answer:

59m

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total length of train when caboose is included = 108 m + 10 m = 118m

_____________________________________________

Let the length of truck be X m

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Murljashka [212]

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21 x 0.66 = 13.86

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3 years ago
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