521400
The reciprocal of a number is defined as 1 divided by that number. Therefore, the reciprocal of minus 264 is ( \frac{1}{-264} ), which can also be written as (-\frac{1}{264}).
264
18.8571
11
26.4
0.0114
0.0038
2.6667
0.0606
5.5
17.6
Three divided by 264 is ~0.0113636