40%
84
210
40% of 210= 40% * 210= 0.4 * 210= 84
84%
0.4
GCF of 84 90 and 210 is 6.
The GCF is 42.
The least common multiple of 84 and 210 is 420
The GCF of 84, 90, and 210 is 6.
84/210 = 2/5
Polonium-210 has 84 protons, 84 electrons and 126 neutrons.
199.5 / 210 = 0.95.95 * 10095 percent of 210 is 199.5