50
39
66
Just subtract the exponents. 89 / 83 = 89-3 = 86.
4x-39 = 2x+3, 4x-2x = 42 x=21
.7 is the greater number. See, you can subtract .39 from .70. Try it.
Yttrium has 50 neutrons. To find the number of neutrons, subtract the atomic number (39) from the atomic mass (89): 89 - 39 = 50 neutrons.
39
The Least Common Multiple (LCM) of 89 and 39 is 3,471.
39
1971
39
39 plus 89 plus 80 is equal to 208.
To find the answer, subtract 180 - 39. 39 + 141 = 180.
66
Yes, if you subtract one.
89
39