Ответ:\(15\frac{7}{1000}=15.007\)\(\frac{23}{10000}=0.0023\)\(\frac{27831}{1000}=27.831\)\(\frac{5001}{100}=50.01\)Ответ: 1) 15.007; 2) 0.0023; 3) 27.831; 4) 50.01.