The length of two roads are 15.2± o. 2cm and 10.7± o. 2cm find the different in length of the two roads with arral
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Explanation:
Difference in the length of the two roads with error =>(15.2+- 0.2) cm -(10.7+- 0.2)cm =>(4.5+- 0.4) cm. Hope it helps you.
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Answer:(15.2+- 0.2) +(10.7+- 0.2) = 25.9+-0.4
Explanation: we always add the errors therefore we will add it
Del=dela+delb
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