The measure of an exterior angle of a regular polygon is given below. Find the measure of an interior angle. Then find the number of sides. 18
What is the measure of an interior angle?

How to convert a density of 0.791g/cm3 to lb/ft3

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?