Write the opposite or the additive inverse of the following numbers
First ous +17
Second ous -21
Third ous +154
Fourth ous - 261
Fifth ous -3126

Solution:

The additive inverse of 'a' is '-a' and that of '-a' is 'a'.

1. +17 = The additive inverse of +17 is (-17)
2. -21 = The additive inverse of (-21) is 21
3. 154 = The additive inverse of 154 is (-154)
4. -261 = The additive inverse of (-261) = 261
5. -3126 = The additive inverse of (-3126) is 3126