When we express the velocity of light, 30,00,00,000/ms−1, in standard form up to three significant figures, it's value is:
A
3×108ms−1
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B
3.00×108ms−1
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C
3×1010cms−1
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D
3×106ms−1
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Solution
The correct option is D3.00×108ms−1 Since all the zeros on the right of last non zero digit in the decimal part are significant. ⇒300000000=3.00×108m/s