Express the number in decimal notation.7 × 10-7
A. 0.0000007
B. -700,000
C. 0.00000007
D. 0.000007
Answer: A
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Choose the most reasonable unit of measure.Horse weight 410 
(mg, g, kg)
A. g B. mg C. kg
Use the multiplication property of equality to solve the equation.8x = 80
A. 
B. 72
C. 640
D. 10
Solve.From a 15-inch by 15-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of an inch, that will yield the maximum volume.
A. 2.5 inches B. 3.1 inches C. 2.8 inches D. 2.3 inches
Find the unknown length in the right triangle. Round to the nearest thousandth, if necessary.
A. 5 in. B. 52 in. C. 26 in. D. 7.211 in.