Question

while measuring the length of a needle the read the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm what is the length of the centre needle

Answer 1

Here; reading at the beginning point = 3.0 cm

Reading at the end point = 33.1 cm

Measurement = Final reading – Initial reading

= 33.1 – 3.0 = 30.1 cm

Answer 2

•Solution= First reading on the scale=3.0 cm

second reading on the scale= 33.1 cm

So, the length of the knitting needle=33.1 cm -3.0 cm

= (33.1- 3.0) cm

=30.1 cm ←Answer