InterviewSolution
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InterviewSolution
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Estimate each of the following using general rule: (a) 730 + 998 (b) 796 – 314 (c) 12,904 + 2,888 (d) 28,292 – 21,496 |
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Answer» (a) 730 round off to 700 998 round off to 1000 Estimated sum = 700+1000 = 1700 (b) 796 round off to 800 314 round off to 300 Estimated difference = 800-300 = 500 (c) 12904 round off to 13000 2888 round off to 3000 Estimated sum = 13000+3000 = 16000 (d) 28292 round off to 28000 21496 round off to 21000 Estimated difference= 28000-21000 = 7000 |
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