Question

Find the 60th term of the arithmetic sequence -27, -24, -21, ...

Answer 1

-27,-24,-21

• a=-27
• d=3

`\\ \tt\hookrightarrow a_n=a+(n-1)d`

`\\ \tt\hookrightarrow a_(60)=a+59d=-27+59(3)=-27+177=150`

Answer 2

-27, - 51, -75, -99, -123, -147, -171, - 195, -219, 21 value: - 507

Explanation:

I used a calucalotor