Math, asked by SuPi7981, 9 months ago

What is the 21st number in the sequence 2,4 6,8.....

Answers

Answered by Akanksha0315

23

Answer:

your answer is 22

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Answered by swami32

0

Answer:

42

Step-by-step explanation:

by

TN=a+(n-1)d

n=21

a=2

d=2

t21=2+(21-1)2

t21=2+(20)2

t21=2+40

t21=42

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