10.17 1

#include<iostream>
#include<iomanip>
  using namespace std;
  int main(){
      double a=147.369,b=3.46168,c=-4572.67;
      cout<<setiosflags(ios::fixed)<<setiosflags(ios::right)<<setprecision(3);
      cout<<setw(10)<<a<<endl;
      cout<<setw(20)<<b<<endl;
      cout<<setw(30)<<c<<endl;
  }