Find the difference of the estimated sum and actual sum of the given large numbers 7685499 and 5500
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Actual sum- 768499+5500= 7690999
Estimated sum
a) rounded to the nearest 10
Sol: 768499≈ 768500
5500≈ 5500
∴ 768500+5500= 774000
b) round to the nearest 100
Sol: 768499≈ 768500
5500≈ 5500
∴ 768500+5500= 774000
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