Question

representation of root 5.4 on the number line with steps

Answer 1

you need to know where 5.4 is,
first 5 lies between 4 and 6
0-------1-------2--------3----–---4------【5】---6
5.4 lies between 5 and 6
5.1---5.2---5.3--【5.4】---5.5---5.6..........