What is (1.2 x 10^6 m) x ( 1.5 x 10^-7m) in scientific notation

What is the relation between concentration of reactants and the rate of chemical reaction?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Do polar molecules have ionic bonds?