Compare 0.06 times 10 negative 1 to 0.6 times 10 negative 2

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?