Per NCERT §1.3.2 (banker's rounding), the number 2.745 rounded to THREE significant figures is which?
A2.74
B2.75
C2.76
D2.7
Answer & Solution
Correct answer: A. 2.74
NCERT §1.3.2: dropped digit is 5 and preceding 4 is even → drop unchanged → 2.74. If preceding were odd, round up.
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