Semester Exam math Fine the 16th term of the arithmetic sequence with a1=11 and d=-21
An=a1+d(n-1)

A.-326
B.-315
C.-304
D.-215

it's C.) -304

Step-by-step explanation:

here's the solution :-

we know,

=》nth term = a + (n - 1)×d

=》16th term = 11 + (16 - 1) × -21

=》16th term = 11 + (15 × -21)

=》16th term = 11 + (- 315)

=》16th term = -304

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step-by-step explanation: