Answer:
Step 1: Calculate the mean (the average weight).
Step 2: Subtract the mean and square the result.
Step 3: Work out the average of those differences.
Step-by-step explanation:
Answer:
where n>1
Step-by-step explanation:
Given

Required
Determine the recursive formula
The given sequence shows arithmetic progression (AP).
First, we calculate the common difference (d):


The recursive formula of an AP is determined using:
where 
Substitute 3 for d
where 
Answer:
jjjjjjjjjjjjjjjjjjjjj
Step-by-step explanation:
The answer should be B if I am correct
It's approximately 0.0032