if the mass of a proton is 1.67X 10 to the -24 power, what is the mass of 1,000 protons?

(A) 1.67 X 10 to the -27 power
(B) 1.67 X 10 to the -23 power
(C) 1.67 X 10 to the -22 power
(D) 1.67 X 10 to the -21 power