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Can someone help me plz Xd
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2 votes
Can someone help me plz Xd

Can someone help me plz Xd-example-1
User Susopeiz
by
7.9k points

1 Answer

2 votes

Answer:

-2497

Explanation:

Sn=n/2[2a+(n-1)d]

=22/2[2*-40+(22-1)d]

=11(2*-40+(21*-7)

= -2497

User Max Vasileuski
by
8.3k points
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