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?

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

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation: