What fraction of the line does "A" represent? (Type your answer in a fraction in lowest terms, for example, if your answer is 2/4, you would type in 1/2.)

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

1) letter c.

2) 4 square root of 9

hope this

step-by-step explanation: