Diana received 65 points on a project for school. She can make changes and receive three-tenths of the missing points back. She can do this 10 times . Create the formula for the sum of this geometric series, and explain your steps in solving for the maximum grade Diana can receive.
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Can you help me?
use a calculator .... (3/10)^10
But I have to make the formula for the sum of the geometric series
I came up with A_n = 100 - 35(.7)^(n-1)
This problem cannot be solved as stated. How many points are possible? Is it 100?
No Correction: 65
One Correct: 65 + 0.3*(35)
Two Corrections: 65 + 0.3*35 + 0.3*(100-(65 + 0.3*(35)))
Work it out. See where it goes.