How is the mass number calculated for an element?
a. the difference between the mass and the protons
b. there is no calculation. c. the product of neutrons and protons d. the sum of protons and neutrons

During jefferson's administration, which of the following represented his tenure? a) he believed the power of his gov depended upon his popularity b) jefferson thought that the strength of his government depended its use if force c) she refused to add territory to the u.s without approval of the states. d) jefferson though of “hands off” approach to the states and less power in the cen. gov. would benefit the nation