63-84 equals = -21
28*21 equals 84
2x19
4 times 21 equals 84.
13,440 divided by 160 equals 84.
112
Polonium has the atomic number 84 in the periodic table.
109 x 1
100 *23=
84 - 7 = 77
672 members can sit in 84 round table
84 divided by 1 is equal to 84.