Per NCERT §1.3 (scientific notation), in the form a × 10ᵇ all zeros appearing in the base number a are which?
ASignificant only if positive
BNever significant
CSignificant only if negative
DAlways significant
Answer & Solution
Correct answer: D. Always significant
NCERT §1.3: scientific notation removes ambiguity. Every digit of the base mantissa counts.
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