I need help with 3 problems of Properties of Signed Numbers somebody please help me

Mathematics

1 answer:

Shalnov [3]2 years ago

7 0

1. 2/3 - (1/4)*(4/9)
2/3-4/36
24/36-4/36
20/36 also same as 4/9 (D)

2. It's B. (-3*(2*7)=(-3*2)*7

3. -4+(-6)*(-3)
-4+18
-14 (b)

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