Use the product rule to simplify the expression. Write the result using exponents.w7 ? w2 ? w8
A. w10
B. w22
C. w17
D. w9
Answer: C
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If side c = 13 and side b = 5, what is side a?
What will be an ideal response?
Solve the problem.An element decays at the rate of S(t) = se-0.071t, where t is time in years and s is the initial size in grams. If you have a 42-gram piece of this element, how many grams will you have 3 years from now? Round your answer to the nearest tenth of a gram.
A. 52.0 g B. 0.8 g C. 33.9 g D. 19.6 g
Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 15 feet by 17 feet and the area of the rug is 80 square feet, how wide will the border be?
A. 3.5 feet B. 6 feet C. 5.5 feet D. 4.5 feet
Let R = the set of real numbers, N = the set of natural numbers, W = the set of whole numbers, I = the set of integers, 
and H = the set of irrational numbers. Answer the question.Is W a subset of N?
A. Yes B. No