Question

What rule do you follow in expressing the result of product or division of two measured quantities upto proper number of significant numbers?

ICSE Class 9 Physics Chapter Measurements and Experimentation

Answer 1

The rules which we have to follow in expressing the result of product or division of two measured quantities upto proper number of significant numbers are:-
(i) The unit in which the quantity is being measured 
and
(ii) The numerical value which expresses, how many times the above selected unit is contained in the given quantity