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1 vote
Use a linear approximation (or differentials) to estimate the given number:

√99.8

1 Answer

3 votes
99.2 = 100 + 1/2 (99.2 - 100) / 100 = 10 - 1/2 0.8/10 = 10 - 0.04 = 9.96
User Nate Kindrew
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