Determine the sum ol the following measure-
ments to the correct number of signilicant
ligures.
1.55 cm + 0.235 cm + 3.4 cm

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.