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How many significant numbers are there in (2.30 + 4.70) × 105 ? (a) 3 (b) 4 (c) 2 (d) 5 |
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Answer» (a) 3 Explanation: (2.30 + 4.70) × 105 = (7.00) × 105 Trailing zeros in a number containing decimal point are significant also power of 10 doesn’t add to significant figure Hence number of significant figure = 3 |
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