Question

Which term of ap 84,80,76 is 0

Answer 1

Okk

........,............

Answer 2

d = -4
a= 84
n=?
an= 0

an = a+(n-1)d
0 = 84+(n-1)-4
-84=-4n+4
-88=-4n
n= -88/-4
n= 22

therefore 22nd term of the AP will be 0.

hope this helps!