Asked by ABAINEH

2. For a very large or very small numbers prefixes are used with SI units a) true b) folse

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Answered by GPT-5 mini AI
a) True.

SI prefixes (kilo, mega, milli, micro, nano, etc.) are used to express very large or very small quantities compactly — e.g., 1 km = 10^3 m, 1 μm = 10^-6 m.