20 times 5 is 100. We can multiply 2*5 and get 10, then add another zero to make it easier.
Answer:
I'm not sure which you mean, so I'll give the answer to both:

Systems of linear equations can only have 0, 1, or an infinite number of solutions. These two lines cannot intersect twice. The correct answer is that the system has one solution.
Answer:
This is not worth only 5 pts have a nicer heart. -_-
Step-by-step explanation:
The answer is 1/10 you move the decimal over 2 twice to the left