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AnnyKZ [126]
3 years ago
8

How does understanding place value help you to subtract across zeros?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0
Oh it helps because a zero could count as a number when you write it down but it doesn't seem that way when u say it
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Concrete can be purchased by the cubic yard. How much will it cost to pour a slab that is 17 ft by 17 ft by 2 ft if the concrete
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To solve for how much it would cost, we have to solve for the volume of the slab first, then multiply it by the given price of concrete.

Solving for the volume of the slab:

Since the given price is in cubic yard, it is easier to convert the given measurements from feet to yards first. Using the relation: 1 ft = 0.333 yd:

17 ft = 5.67 yards
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17ft x 17ft x 2ft = 5.67 yd x 5.67 yd x 0.67 yd = 21.54 yd^3

Multiplying this by $40.00 / yd^3:

21.54 x 40 = 861.59

Therefore, it will cost $861.59 to pour the slab.
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