Question

what is the 15th term of the arithmetic sequence described by this explicit formula?
an= 63+ (n-1)(-7)

Answer 1

Answer:

- 35

Step-by-step explanation:

To find the 15 th term, substitute n = 15 into the formula, that is

$a_{15}$ = 63 + (15 - 1)(- 7) = 63 + (14 × - 7) = 63 - 98 = - 35

Answer 2

Answer:

-35

Step-by-step explanation: