15) Calculate and Round to the correct number of significant digits: * 3 points
216.7
54.2
u
3.99
3.998
4
4.00
4.0
us

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

What is the atomic number of an atom that has 6 protons

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)