Answer
1.7m/s$^2$
Work Step by Step
Assume the golf ball lands at the same height, so that the level horizontal range formula applies.
The only difference is the acceleration due to gravity. The range is inversely proportional to g. The range R is 180/32 = 5.6 times larger on the moon. This means that g is 5.6 times smaller.
On the moon, $g = \frac{9.8 m/s^{2}}{5.6} = 1.7 m/s^{2}$.
