Science, asked by samuelhalder12, 6 months ago

3*20^8=√8.004*10^13/R Find R=?​

Answers

Answered by shreyapoudel88
1

Explanation:

ANSWER

20

p

r

=(13)

20

p

r

−1

(20−r)!

20!

=

(20−r+1)!

13×20!

⟹21−r=13⟹r=8

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