I'm pretty sure it would be 40,000 because if i'm not mistaken you meant the nearest 10,000 since the number is 39,892.
1 + 1 + 1 + 2 = 5
5 x 9 = 45
Therefore, the total number of km is 45.
98% or higher.
Find the mean. 91 x 6 = 546
546 + 98 = 644
644/7 = 92