If you fill your tank with 39 l of gasoline, by how much does the car's mass increase?

39L = 0.039 m3(exponent is the 3)                  750kg/cubic meter x 0.039 cubic meters=   29.25 killogram                                                                                                                                  so the answer is 29.25

Earthplanet yplanet y5=earth     *many different equationsplanet x1.5=earthplanet x is two times planet yobject 5,2500 mass5,1,3,2,4object 1 is four times obect 4