Question

If `a_n=1-5n`, what is `a_10`?

Answer 1

`a_10 = -49`

Explanation:

This is a formula for the nth term of an arithmetic sequence. By the notation `a_10`, `n = 10`, or you will find the tenth term of the sequence.

`a_10 = 1 - 5(10)`

`a_10 = 1 - 50`

`a_10 = -49`

Hopefully this helps!