Question

verify that x+(y+z) = (x+y)+z where x = 2/3, y= -5/6, z = -7/9
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Answer 1

Answer:

verifying that

x+(y+z)=(x+y)+z

2/3[(-5/6)+(-7/9)]=[(2/3)+(-5/6)]+(-7/9)

-1.07=0.94

so,x+(y+z) is not equal to (x+y)+z