Answer:
6000.
Step-by-step explanation:
Hundreds digit is 6 so we round up the thousand digit (5) to get 6000.
(2/7)^2 x (7/9)^2
((2^2)/(7^2)) x ((7^2)/(9^2))
(4/49) x (49/81)
*Cross multiply*
(4/81)
The image is not clear you have to retake the picture I can’t see the numbers in the table
we know that
the speed's formula is equal to

in this problem we have

Substitute the values in the formula


therefore
<u>the answer is</u>
