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What is (98 - 2n) equal to?

Answer: 946
Step-by-step explanation:
[tex]\sum^{11}_{1}(98-2n)\\\\a_1=98-2(1)\\.\quad=98-2\\.\quad=96\\\\a_{11}=98-2(11)\\.\quad=98-22\\.\quad=76\\\\\\S_n=\dfrac{a_1+a_{11}}{2}\cdot 11\\\\.\quad=\dfrac{96+76}{2}\cdot11\\\\.\quad=\dfrac{172}{2}\cdot11\\\\.\quad=86\cdot11\\\\.\quad=946[/tex]