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Question

In the equation z=xy , find the value of z when x = -10 and y = -20


  1.  z=12​​​​​​

  2.  z=916​​​​​​

  3.  z=37​​​​​​

  4.  z=27​​​​​​


Solution

The correct option is A

 z=12​​​​​​


z=xy

x = -10 and y = -20

z=1020

 z=12

 z=12​​​​​​

 z=12​​​​​​

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