I’m my opinion the best method is elimination
5.7 x 10^8 is known as the scientific notation.Scientific notation is one way of showing a long number to a shorter one given with the followin choices, let's find out which one of those are correct:
=> 5.7 x 10^ 8
=> 5.7 x (10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)
=> 5.7 * 100 000 000
=> 570 0000 000 or 5 hundred seventy milionThe correct answer is letter C. 570 000 000
Answer:
I believe it is 90
Step-by-step explanation:
I'm not so sure but when finding the area of a shape you times all those lengths together.