Multiply and write the answer in scientific notation.(3.3 × 10-5)(1.5 × 10-8)
A. 4.95 × 10-13
B. 4.95 × 1013
C. 4.95 × 10-3
D. 4.8 × 1013
Answer: A
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Solve the problem.A grain dealer sold to one customer 6 bushels of wheat, 4 of corn, and 10 of rye, for $71.20; to another, 4 of wheat, 10 of corn, and 6 of rye, for $71.60; and to a third, 10 of wheat, 6 of corn, and 4 of rye, for $59.20. What was the price per bushel for corn?
A. $4.50 B. $2.40 C. $3.70 D. $1.90
Simplify each side of the equation, if possible. Then solve the equation.
x + 3x + 5 + 5x = 
- 
A. x = 12 B. x = 0 C. x = 5 D. x = 2
Provide an appropriate response.
The trim for the rooms at the medical clinic costs $2.35 per linear foot. The material must be purchased in 6-foot, 8-foot, 10-foot or 12-foot lengths. What is the least cost to do the trim if the distance between the doors needed is 4 ft 4 in., the length needed for the height of the door is 6 ft 4 in., and the length needed for the width of the door is 3 ft 4 in.?
A. $249.10 for 106 feet B. $270.00 for 120 feet C. $272.60 for 116 feet D. $296.10 for 126 feet
Solve the problem.How long will it take for $2100 to grow to $44,000 at an interest rate of 6.9% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 44.09 yr B. 4.41 yr C. 4409.06 yr D. 0.44 yr