Question

Thw fourth term in any arithemtic sequense is -20 n eight term is -10 .find the 100th term?

Answer 1

Answer:

70

Step-by-step explanation:

70anssszzszssssssssssss

Answer 2

Answer:

let first term be a and common different be d

then T4=a+3d=-20

Y8=a+7d=-10

subtracting both

4d=10

d=5/2

a=-55/2

T100=a+99d=220