Concept Check Refer to the discussion of accuracy and significant...

Question

Concept Check Refer to the discussion of accuracy and significant digits in this section to answer the following.

Mt. Everest When Mt. Everest was first surveyed, the surveyors obtained a height of 29,000 ft to the nearest foot. State the range represented by this number. (The surveyors thought no one would believe a measurement of 29,000 ft, so they reported it as 29,002.) (Data from Dunham, W., The Mathematical Universe, John Wiley and Sons.)

Accepted Answer

Hey, everyone here we are given that a man traveled from city A to city B and in his journey, he covered a distance of 18,000 kilometers. And we need to write the range for the distance covered here. We have four answer choice options, answer choice. A 17, 0.5 to 18,000 0.5. Answer B 17, 2, 18,001 answer C 17,995 to 18,005 and answer D 17,990 to 18,010. So for this problem, all we need to recall is that according to the scientific notation rules, in order to find the range, we simply have to add and subtract 0. from the total distance covered. So we can begin by subtracting. So we have 18,000 minus 0.5. And now just subtracting, we get 17, 0.5. And now adding, we have 18,000 plus 0.5 and this gets us 18,000 and 0.5. So here we have found our range by simply adding and subtracting 0.5 from our distance. And so we are left here with answer choice a where the range is from 17,999 0. to 18,000 0.5. Thanks for watching. I hope you found this video helpful and I'll see you again next time.

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