№1431 плиз решите если сможете

а)48.5*0.1=4.85
83.75*0.1=8.375
5.76*0.1=0.576
27*0.1=2.7
б) 435.7*0.01=4.357
4.2*0.01=0.042
82.1*0.01=0.821
0.01*0.01=0.0001
в) 56.2*0.001=0.0562
0.3*0.001=0.0003
427.5*0.0001=0.04275
365*0.0001=0.0365