9
137
Add 16
-137
731 and 137
The reverse of subtracting 16 is adding 16. When you subtract 16 from a number, you decrease its value, so to return to the original number, you would add 16 back to it. This operation effectively cancels out the subtraction.
137
137
-137-45 = -182 (-137 - 45) is the same as (-137 + -45), which is the same as -(137+45)
10847
Add 16
-137
731 and 137
The reverse of subtracting 16 is adding 16. When you subtract 16 from a number, you decrease its value, so to return to the original number, you would add 16 back to it. This operation effectively cancels out the subtraction.
4.1499999999999995
Barium has an atomic number of 56 and a mass number of 137 amu
rounding
Subtract 3. You could also say "minus 3" or "take away 3" or "deduct 3".