Math  /  Algebra

Questionlog25=\log \frac{2}{5}= \square ln24.7=\ln 24.7=

Studdy Solution

STEP 1

1. The problem involves evaluating logarithmic expressions.
2. We will use properties of logarithms to simplify and evaluate the expressions.

STEP 2

1. Evaluate log25\log \frac{2}{5}.
2. Evaluate ln24.7\ln 24.7.

STEP 3

To evaluate log25\log \frac{2}{5}, we can use the property of logarithms that states logab=logalogb\log \frac{a}{b} = \log a - \log b.
log25=log2log5 \log \frac{2}{5} = \log 2 - \log 5

STEP 4

To evaluate ln24.7\ln 24.7, we recognize that this is the natural logarithm of 24.7. This value is typically evaluated using a calculator, as it does not simplify neatly into a known logarithmic value.
ln24.73.206 \ln 24.7 \approx 3.206
The evaluated expressions are:
log25=log2log5\log \frac{2}{5} = \log 2 - \log 5
ln24.73.206\ln 24.7 \approx 3.206

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