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प्रश्न
Which of the following numbers has 4 significant figures?
पर्याय
125000
165.02
0.01500
178.43
MCQ
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उत्तर
0.01500
Explanation:
Trailing zeros to the right of the last non-zero digit are significant when a decimal point is present. So 0.01500 has 4 significant figures: 1, 5, 0, 0. In contrast, 125000 without a decimal point has only 3 significant figures, and 165.02 and 178.43 each have 5.
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