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Q.

What is the additive inverse of -311?


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a

-311

b

113

c

-1

d

311  

answer is D.

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Detailed Solution

To find the additive inverse of -311.
In mathematics, the additive inverse of a number is the number that, when added to a, yields zero.
This number is also known as the opposite (number), sign change, and negation.
For a real number, it reverses its sign, the opposite to a positive number is negative, and the opposite to a negative number is positive.
The given rational number is -311 and its negative is -(-311)=311.
Thus, the additive inverse of -311 is 311.
Hence, option 4 is correct.
 
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