a=15000 d=100 n=20 find t20
Answers
Answered by
1
Answer:
t20 = a + 19d
= 15000 + 19×100
= 15000 + 1900
= 16900
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Answered by
1
Answer:
t20=16900
Step-by-step explanation:
a=15000
d=100
n=20
t20=?
tn=a+(n-1)d
t20= 15000+(20-1)100
= 15000+(19)100
=15000+1900
= 16900
Therefore, t20= 16900
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