Question

A student measured the length of his pencil using a scale. The scale reading at one end of the pencil was 2.0 cm and the scale reading at other end of the pencil was 12.8 cm.
what is the length of the pencil in cm and in mm?​

Answer 1

Answer:

The length of pencil is 12.8-2 =10.8

Answer 2

Answer:

Given:-

Starting point of scale = 2.0 cm

End point of scale = 12.8cm

To Find :-

Length of Pencil in cm and mm.

Solution :-

Length of Pencil = End Point - Starting Point

=> 12.8 - 2.0 = 10.8 cm

Length of Pencil in cm = 10.8cm

We know that,

==>> 1cm = 10mm

So, 10.8 cm = 10.8×10 = 108 mm