Question

What is the value of -2^-2^-2 ?

Answer 1

-2^-2 can be written as (1/-2)^2=1/4
and (1/4)^-2=4^2
if the power is -ve, we take the reciprocal of the number and raise it to the magnitude of the power(the -ve power becomes +ve)

Answer 2

and 4^2=16

Answer 3

and 16 is the answer