9 3/10- 1 7/10
8 13/10 - 1 7/10
7 6/10
7 3/5
Answer:
i belive it is 900
Step-by-step explanation:
(n-2)180
(7-2)180
(5)180
900
765,000 should be the correct answer
9-5=4 Therefore f=4
Hope this helps
It would be 99%. If you draw the normal distribution curve and plot the mean and standard deviation, it might help you visually.
:)
