Yes.
1/pi.
pi x 1/pi = 1.
Six multiplied by four equals twenty four.
An example of a positive number without fractions or decimals is the whole number 7.
There is no such number.
25 multiplied by 4 = 100.
40
The number 2.
5.
One multiplied by one equals one. This is because any number that is multiplied by one equals itself. In this case, it equals one.
18
13.3
3.464101615
98