A 1
=
3
and
a
n
=
a
n
−
1
−
1
a
1

=3 and a
n

=a
n−1

−1

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

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.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air