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July 29, 2015

Homework Help: math

Posted by Anonymous on Friday, October 24, 2008 at 12:44pm.

1.name the property of addition and/or multiplication that is illustrated
7 X (1+9) = (7 X 1) + (7 x 9)

2.Write 4 X 4 X 4 X 4 X 4 as a power of 4.

3. A plate glass window measures 5 ft by 7 ft. If glass costs $7 per square foot, how much will it cost to replace the window?

4. You are making posters 3 ft by 6 ft. How many square feet of material will you need for seven posters?

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