The product of any number and one is dash
- The product of any number and zero is dash
- The product of any number and 1 is dash
- The product of any number and 0 is dash
- The product of any rational number with one is the dash itself
- The product of any rational number and zero is dash
- The product of any number and dash is number itself
- The product of any number and 1 is the dash itself
- The product of any number and 1 is always dash
- The product of a number and one is the dash itself
- What is the product of