b.The approximation of the natural logarithm of 2: ln 2 ≈ 0.693 is commonly used by applied scientists, biologists, chemists, and computer scientists. For example, chemists use it to compute the half-life of decaying substances. Based on this approximation and the power rule for logarithmic expressions, how could you approximate ln 8, without a calculator? Explain.

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ln(8) = ln(2^3) = 3ln(2) = 3*0.693 = 2.079

please explain why that is true ^_^

because of the logarithm rule:
log(a^n) = nlog(a)
do you want a proof ?!

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