Question

как округлить 0.(56) до 0.1;0.01;0.001

Answer 1

0.(56)=0.56565656.....
До 0.1: 0.(56)=0.6;
До 0.01:0.(56)=0.5656...=0.57;
До 0.001: 0.(56)=0.5656...=0.566.