Write the expression using exponents.(-2x)(-2x)(-2x)(-2x)
A. -8x
B. -2x4
C. (-2x)4
D. -(2x)4
Answer: C
Mathematics
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Find the range for the given data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below.0.546?0.573?0.2250.384?0.272?0.113
A. 0.047 m B. 0.113 m C. 0.546 m D. 0.46 m
Mathematics
Solve the problem.The shape of a patio is trapezoidal with a height of 8 ft and bases of 18 ft and 12 ft. What is the cost of outdoor carpeting to cover the patio if the carpeting costs $2.50 per ft2?
A. $95.00 B. $115.00 C. $300.00 D. $390.00
Mathematics
Write the number in scientific notation.57 × 104
A. 0.57 × 104 B. 5.7 × 104 C. 5.7 × 103 D. 5.7 × 105
Mathematics
Solve the problem.Find f(3) when f(x) = -x2 + 5x - 4.
A. -10 B. 20 C. 2 D. 28
Mathematics