Someone, please help this is confusing

Triangle xyz has vertices x(1,3), y(0,0)

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.