Question

what is the value of acceleration due to gravity​

Answer 1

Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2.

Answer 2

9.8m/s^2.It is maximum at the poles and minimum at the equator.It decreases with an increase in depth and height.
Hope it helps