They are both equal because the zeros don't count after the number 5.
Since 3 out of 5 doctors (60%) use brand X, solve for 60% of 2,000, which is 1,200 doctors.
Answer:
The change in volume is estimated to be 17.20 
Step-by-step explanation:
The linearization or linear approximation of a function 
is given by:
where 
is the total differential of the function evaluated in the given point.
For the given function, the linearization is:
Taking 
inches and 
inches and evaluating the partial derivatives we obtain:
substituting the values and taking 
and 
inches we have:
Therefore the change in volume is estimated to be 17.20
In your question where as the amount of gasoline that 80 drivers bought to fill their cars gas tanks is shown in your diagram and the problem as to find how many drivers bought more than 12 gallons and the best answer would be 36. I hope you are satistfied with my answer and if you need some clarification, please feel free to ask for more
