Approximate: log5 4/7 –2.8760 –0.3477 0.7124 1.3738

Given the logarithm function

The result for the log function is -0.3477

This expression can also be written as:

Evaluating each term

Substituting the result into the formula, will give;

Hence the result for the log function is -0.3477

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reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

ddd

step-by-step explanation: