if a=5 d=3 then the 21st term is______
Answers
Answered by
2
Answer:
65
Step-by-step explanation:
21st term=[a+(n-1)d] (n is the 21st no.)
[5+(21-1)3]
[5+20×3]
(5+60)
65
therefore the 21st term is 65
hope it help ☺☺
Answered by
1
Answer:
answer is 65
Step-by-step explanation:
a=5,d=3,n=21
then an=a+(n-1)d
an=5+(21-1)3
an=5+20(3)
an=5+60
an=65
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