Question

Evaluate : (i) |7|+ |-7| (ii) |-3| + |-2| (iii) |-9|- |3| (iv) -|-8| -|-12|​

Answer 1

Answer:

(i)     14

(ii)    5

(iii)   6

(iv)   -20

Step-by-step explanation:

      | |  this sign is called Modulus.

Any number inside one of these will always remain a positive one (even though the number may be negative.)

(i) |7|+ |-7|

  = 7 + 7

  = 14               (ANS,i)

(ii) |-3| + |-2|

    = 3 + 2

   = 5                 (ANS,ii)

(iii) |-9|- |3|

     = 9 - 3

    = 6                (ANS,iii)

(iv) -|-8| -|-12|​

    = - 8 - 12

   =  -  (8 + 12)

   = -20             (ANS,iv)

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