find the 20th term of the app 10,7,4
Answers
Answered by
0
Answer:
-47
Step-by-step explanation:
a = 10
a2 = 7
d = -3
a20 = a + 19 d
= 10+ 19 X - 3
= 10-57
-47 is the answer
Answered by
0
Answer:
-47 IS THE ANSWER
Step-by-step explanation:
GIVEN
FIRST TERM(a)=>10
COMMON DIFFERENCE(d)=>-3
TO FIND
20 TH TERM
AS WE KNOW
An=a+(n-1)d
A20=10+(20-1)(-3)
A20=10+19(-3)
A20=10-57
A20=-47
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