Simplify (assume the variables represent positive values): \( \sqrt{125 r^{6} s^{8}} \) (A) \( 5 r^{3} s^{7} \sqrt{5 s} \) B \( 5 r^{3} s^{4} \sqrt{5} \) C \( 25 r^{3} s^{4} \sqrt{5} \) D \( 5 r^{5} s^{4} \sqrt{5 r} \)
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