An arithmetic progression (An) is given. Calculate a11 if a₁ = -3, d = 2.5.
| June 21, 2021 | education
Let’s calculate what the eleventh element of the sequence will be equal to, since we know that it is set by the conditions by which a1 equals -3, while the difference is 2.5:
a11 = -3 + 2.5 * (11 – 1) = -3 + 25 = 22.
Answer: It is equal to 22.
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