The cache is not really at the posted coordinates. Answer these difficult questions and win a cookie so to speak.
N 38° 47.ABC W 121° 14.DEF
A = How many presidents were elected before 1800?
B = How many were magnificent? (Referring to the movie)
C = Which is the number of Heaven?(not 7)
D = How many does it take to Tango?
E = Which is the smallest positive integer which is neither a square number nor a prime number?
F = How many sides are on a Pentagon?
You can validate your puzzle solution with certitude.