math
posted by Anonymous .
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?

We do not do your homework for you, but I will give you a start.
1. Look this up in your textbook.
2. 4^0 (4 to the zero power)= 1
4^1 = 4
4^2 = 4*4 = 16
4^3 = 4*4*4 = 32
Continue on with this progression.
3. Calculate the area and multiply by $7.
4. Caclulate the area and multiply by 7.
I hope this helps. Thanks for asking.
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