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Find the 60th term of the arithmetic sequence -10, 8, 26, ...
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Find the 60th term of the arithmetic sequence -10, 8, 26, ...

User Eric Cope
by
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1 Answer

8 votes
Answer:
Sn=a+(n-1)d
n=60,a=-10,d=8-(-10)=8+10=18
S60=-10+(60-1)18
S60 =-10+(59)18
S60=-10+1062
S60 =1052
User E L Rayle
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