5,0,-5,-10,-15 20th Term
5,0,-5,-10,-15 20th term
Answer:
a20=-90
Step-by-step explanation:
an=a1+(n-1)d
a1=5
n=20
d=-5
a20=5+(20-1)(-5)
a20=5+19(-5)
a20=5+(-95)
a20=-90
#JuneChallenge
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