Question

The addition of 3mn, -5mn, 8mn and -4mn


Please give me correct answer tomorrow my exam​​

Answer 1

Answer:

3mn-5mn+8mn-4mn

-5mn + (-4mn) = -9mn

3mn + 8mn = 11mn

11mn - 9mn

= 2mn

answer: b) 2mn

Step-by-step explanation:

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Answer 2

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3mn,−5mn,8mn,−4mn

= 3mn + ( −5mn ) + 8mn + ( −4mn )

= ( 3 − 5 + 8 − 4 )mn

=2mn.

So, Option b) 2mn is the Correct Answer.