What point can be used to create a right triangle

Step-by-step explanation:

Since this is a right triangle, it has to create a 90° angle. That means that we can find the points of intersection if we drew horizontal and vertical lines from points A and B.

One of the points of intersection is which is not an answer choice, but the other point of intersection, is an answer choice.

expression #3 is not equivalent. the others are.

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870