(I didn't know whether to put this in math or chemistry since my chemistry teacher gave it to me so ill just leave it like this for now) write 5.5 x 10^-3 in standard notation

A.5,500
B.0.0055
C.0.055
D.550​

Compare and contrast physical changes with chemical changes.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What three things does a balanced equation show you?