Question

ILUSTU
If L = 20.04 m + 0.01 m
B = 2.52 m + 0.02 m
What are the values of (L x B) and (L/B)?
lution:​

Answer 1

Answer:

maximum error possible

dz/z=dB/B+dA/A

dz/z=(0.02/10)+(0.01/20)

dz/z=0.002+0.0005

=0.0025

dz=0.0025×z

z=20/10=2

dz=2×0.0025=0.005

L/B=2+_ 0.005