pls tell me the formula for solving for the average of 1+4+9+16...400
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The formula is 1 + 4 + 9 + 16 +.......400 Divided by the number of terms ( the total number of numbers)
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add all odd numbers from 1 to 800.
you will get the sum of perfect squares from 1 to 400.
divide the sum by 400 and you will get the average
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