Can someone help me plz Xd

Orcaman asked Jun 5, 2022

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11 votes

Orcaman asked Jun 5, 2022

3.2k points

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18 votes

Answer:

-2497

Explanation:

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

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

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

= -2497

2.3k points

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