The shelf life of a particular snack chip is normally distributed with a mean of 180 days
and a standard deviation of 30 days.
About what percent of the products
last between 150 and 210 days?
About what percent of the products
last between 180 and 210 days?
About what percent of the products
last less than 90 days?
About what percent of the products
last more than 210 days?

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.