Recall that we can use the ** Boltzmann Equation** to determine the entropy given the number of microstates:

$\overline{){\mathbf{S}}{\mathbf{=}}{{\mathbf{K}}}_{{\mathbf{B}}}{\mathbf{lnW}}}$

where:

**S** = entropy

**K _{B}** = Boltzmann constant (1.38 x 10

**W** = number of microstates

If a system has 1×10^{15} ways of arranging its energy, what will its entropy be?

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