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In the county sports Stefan was timed at 28.6s for the 200 m
What is the upper bound for the time she could have taken?

Respuesta :

boodysamy2006

Answer:

Upper bound = 28.65s

Step-by-step explanation:

Since it is a unit of time and it is a decimal the unit of accuracy will 0.1 , we will halve it and it will be 0.05

0.1 ÷ 2 = 0.05

Upper bound = 28.6 + 0.05 = 28.65

Lower bound = 28.6 - 0.05 = 28.55

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