C. since you are constantly dividing by 5
100 ÷ 5 = 20
20 ÷ 5 = 4
4 ÷ 5 = 0.8
And so on...
Answer:
The percent of error in her measurement is 1.3%
Step-by-step explanation:
we know that
The circumference of a circle is equal to

where
D is the diameter
we have

assume

substitute
----> This value represent the 100% (theoretical value)
Find the difference between the theoretical value and the measured value
Find the percentage by proportion

The answer is 15and not the others
Answer:
b. -3
Step-by-step explanation:
i hope this helps :)