Question

3.) The correct value of the product of numbers 2.5 and 1.25 represented as per
significant figure rules is
(a) 3
(b) 3.1
(e) 3.12
(d) 3.125​

Answer 1

Answer:

(b) 3.1

Explanation:

The answer should have the least number of significant figures possible

2.5 -> 2 significant figures

1.25 -> 3 significant figures

Hence, the answer should have just 2 significant figures i.e. 3.1