Question

find 18th term of the last term of the a.p 10, 7,4,......-80?​

Answer 1

$\huge \underline \bold \color{fuchsia} \mathfrak{Answer }$

AP = 10, 7, 4.....-80

From the last

a = -80

d = 10-7= 3

n = 18

an = a+(n-1)d

a18 = -80 + 17 ×3

a18 = -80 +51

a18 = -29

Hope it helps

Answer 2

Answer:

here is your answer

Step-by-step explanation:

Ap= 10,7,4__-80

From the last

a=80

d=10-7=3

n=18

an=a+(n-1)d

a18=80+17×3

a=-80+51

a=18= -29

here is your answer is completely done