an astronomical unit is the average distance between earth and the sun one AU is equal to approximately 1500 thousand kilometers. Astronomers also use light years to measure distance a light year is approximately 9.5×10 to the 12th power kilometers use scientific notation to rewrite the measure of one astronomical unit in kilometers

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

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

answer: your answer is a