Assertion : A number 2.746 rounded off to three significant figures is 2.75 , while the number 2.743

Question

Assertion : A number 2.746 rounded off to three significant figures is 2.75 , while the number 2.743 would be 2.74 .\ Reason : In rounding off the uncertain digits, the preceding digit is raised by 1 if the insignificant digit to be dropped is more than 5 and is left unchanged if the latter is less than 5.

Professor PC Thomas Classes · Answer

(a)