No 1431 пллиз, помогитн

А) 48,5*0,1=4,85;   83.75*0.1=8.375;   5.76*0.1=0.576;   27*0.1=2.7
b) 435.7*0.01=4.357;    4.2*0.01=420;   82.1*0.01=0.821;   82*0.01=0.82  0.01*0.01=0.0001
c) 56.2*0.001=0.562;   0.3*0.001=0.0003;   427.5*0.0001=0.04275;   365*0.0001=0.0365