It is the identity property of 1 with respect to multiplication.
There is no such number.
18
3.464101615
8.3066239
10.95445115010332
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
There is no such number.
8.831760866327848
It is the square: the variable multiplied by itself.
18
3.464101615
8.3066239
10.95445115010332
6.2449979983983982058468931209398
25.6125
Anything multiplied by one is itself.
One multiplied by one equals one. This is because any number that is multiplied by one equals itself. In this case, it equals one.