to divide something by 10, just move the decimal 1 place left. so 178 becomes 17.8
this also works for 100, 1000, and similar numbers. move the decimal twice for 100 and 3 times for 1000.
178
178
178
5.7419
1, 2, 89, 178.
44.5
35.6
178
0.1348
0.0056
7.12
161.8182