How should 0.000000450 be written in scientific notation with correct significant figures? - PHYSICS AND MEASUREMENT Quiz | GKFix.in

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Question

How should 0.000000450 be written in scientific notation with correct significant figures?

A. 4.5 × 10⁻⁷
B. 4.50 × 10⁻⁷
C. 450 × 10⁻⁹
D. 0.450 × 10⁻⁶

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