2.9000000000000004
65 subtracted by 2012 = -1947
-65
65
61
65
94. XC is 10 subtracted from 100, aka 90. and IV is one subtracted from 5 aka 4. 90+4=94
65 - 40 = 25
The multiple of 65 immediately less than 9400 is 9360. Therefore 40 has to be subtracted.
157
474
The GCF is 1.
Terbium has 65 protons. The stable isotope is 159Tb with 94 neutrons.