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
84/210 = 2/5
The GCF of 84, 90, and 210 is 6.
Polonium-210 has 84 protons, 84 electrons and 126 neutrons.
199.5 / 210 = 0.95.95 * 10095 percent of 210 is 199.5