write a five digit number that fits each description use only the digits that the athlete are wearing use each digit only once in each answer find the greatest number less than 1.8 1. The digits ate 41836

less than 1.8 means the 1st two digits are

1.3 or 1.4 or 1.6
Now just pick the largest and add on the remaining digits, from high to low:

1.6843