Please help me answer the following

2) (1.5 points) A) Circle the correct answer. The density of an object is: a) m/V b) V/m c) mV d) m/2V B) (2 points) Find the percentage error of the measured p = 7.7 Kg/m3 with the accepted value p=7.8 x 10-3 gr/cm3 for the steel ball