Question

if a=5 d=3 then the 21st term is______​

Answer 1

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 ☺☺

Answer 2

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