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Miah Best
Mathematics
20 November, 19:27
Evaluate 10 sigma n=2 - 2n-3
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Jazmine Mcpherson
20 November, 19:55
0
-135
Step-by-step explanation:
The summation notation of 10∑n=2 - 2n-3.
We can find the values by substituting n into - 2n-3.
Let's begin where n = 2
-2 (2) - 3 = - 7
-2 (3) - 3 = - 9
-2 (4) - 3 = - 11
-2 (5) - 3 = - 13
-2 (6) - 3 = - 15
-2 (7) - 3 = - 17
-2 (8) - 3 = - 19
-2 (9) - 3 = - 21
-2 (10) - 3 = - 23
This gives us:
-7 + - 9 + - 11 + - 13 + - 15 + - 17 + - 19 + - 21 + - 23 = - 135
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