19) The dimensions of David and Kim's rectangular living room are 5 yards by 3 yards. a) How many square feet of carpet do they need to purchase? b) If they are going to re-carpet their living room themselves and the carpet costs $1.56/square foot plus an additional cost of $0.75/square foot for the padding, what will be the total cost of the carpeting (with padding included) before tax

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cduckworth7558

15.06.2020

Mathematics

You use the formula $a^{b} * a^{c} = a^{b+c}$
$5^{-4} * 5^{-8} = 5^{-4+(-8)} = 5^{-8-4} = 5^{-12}$

The right answer is D. 5−12.

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