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| 1. |
what is the difference in the estimated sum and actual sum of 2345 and 6578 when both number and rounded off to the nearest hundreds? |
| Answer» <html><body><p>Example 2:Estimate: 5673 – 436 by rounding off the <a href="https://interviewquestions.tuteehub.com/tag/numbers-22758" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBERS">NUMBERS</a> to their greatest places. Also,, find the reasonable estimate.Solution:We have, 5673 – 436 = 5237.The greatest place in 5673 is thousands place and in 436 the greatest place is hundred place.Estimating 5673 to nearest thousands, we <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> 6000Estimating 436 to nearest <a href="https://interviewquestions.tuteehub.com/tag/hundreds-1033666" style="font-weight:bold;" target="_blank" title="Click to know more about HUNDREDS">HUNDREDS</a>, we get 400Therefore estimated difference = 6000 – <a href="https://interviewquestions.tuteehub.com/tag/400-315233" style="font-weight:bold;" target="_blank" title="Click to know more about 400">400</a> = 5600Clearly, it is not closer to the actual difference. So, it is not a reasonable estimate.Let <a href="https://interviewquestions.tuteehub.com/tag/us-718298" style="font-weight:bold;" target="_blank" title="Click to know more about US">US</a> round off 5673 and 436 to nearest hundreds.5673 rounds off as 5700.436 rounds off as 400Therefore estimated difference = 5700 – 400 = 5300</p></body></html> | |