apply the associative property of addition or multiplication.

Mathematics
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Apply the associative property of addition or multiplication. Then simply the expression.

exercise1.  -2(6b)     exercise2. 3 + (8 + T )   exercise3. -4.2 + (2.5 + r )  exercise4. 3(6x)

exercise 5.-4/7 ( - 7/4 d) exercise6. - 9 +(-12 + h )

Oct 8th, 2014

1. -2(6b)= 6b(-2)

2. 3+(8+T) = (8+T)+3

3. -4.2+(2.5+r)= (2.5+r)+ -4.2

4. 3(6x)= 6x(3)

5. -4/7(-7/4d) = -7/4d(-4/7)

6. -9+(-12+h)= (-12+h) + -9

Oct 8th, 2014

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