Ascientist estimated that a mixture would need 3 milliliters of a chemical to balance. the actual amount needed was 7 milliliters. what was the percent error of the scientist's estimation?
a. 133.33%
b. 3%
c. 42.86%
d. 57.14%

57.14%

Step-by-step explanation:

Error(E)is defined as the percentage difference an estimate(e) amount is from the actual(a) amount. The actual amount need was 7 mililters and the estimate was 3 mililiters.

Error is defined as:

The percet error if the scientists estimation is 57.14%

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step-by-step explanation:

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)