Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144
B. 16,777,216
C. 16,384
D. 1,048,576
Answer: C
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Solve.In calculating his weekly expenses, a contractor found that he had spent the following amounts: materials, $1569.54; labor, $2542.08; office help, $785.42; and overhead expenses, $543.96. What was his total weekly expense?
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about inventory management is correct?
A. The economic ordering quantity is the quantity at which the total cost of carrying (holding) inventory is minimized. B. A firm should always order inventory in amounts sufficient to take advantage of quantity discounts. C. Safety stock is additional inventory that a firm carries to guard against unexpected changes in sales. D. To most efficiently manage its inventory, a firm should not reorder raw materials until it has no products remaining in inventory. E. Outsourcing is the practice of arranging for a supplier to deliver raw materials at the time they are needed in the production process.
Solve the problem.The side of an equilateral triangle is 
shorter than the side of a square. The perimeter of the square is 
more than the perimeter of the triangle. Find the length of a side of the triangle.
A. 13 inches B. 15 inches C. 16 inches D. 18 inches