A teacher wants to calculate a class average on the last test. One student made a significant lower score than the rest of the c
lass because he failed to follow instructions. Which Measure of center which would be best for the teacher to use accurate idea on how well the Class as a whole performed on last test?
2 answers:
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Answer:
Step-by-step explanation:
Given the geometric sequence:
5, −10, 20, −40, ...
The first term is a = 5
And the common ratio = r = -10/5 = -2
The general rule of geometric sequence is
So, the rule for the given geometric sequence is: