Question

how to represent 9.3 on a number line

Answer 1

it will be between 9 and10 .From 9 after2 point .

Answer 2

draw line segment ab of length 9.3 units
extend 1 units more such that bc=1 units
find the mid point of ac and mark it as o
draw a semicircle with centre o and radius oc
draw a line bd perpendicular to ab, intersecting the semicircle at d
here bd=root9.3
to represent it in the number line, draw a arc de such that be=bd
be is the line