5 1/4 miles per hour
step-by-step explanation:
15 3/4 / 3 = 5 1/4
answer: .64
step-by-step explanation
set up the formula for standard deviation for this set of numbers, then simplify
the 1st digit is in the 100s n its 1
3,589÷18 = 199.389
so the first digit of the quotient is in the 100s n its 1