Math, asked by prakashravan272, 9 months ago

a=21 ,d=-3 ,n=? ,an=-18

Answers

Answered by thekjazz2120

1

Answer:

My mark my ans as Brainliest...

Attachments:

Answered by cnelda41

0

Answer:

n=0.8571

Step-by-step explanation:

a=21

an=-18

n=?

21n=-18/21

n=-0.8571

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