Write the number in scientific notation.670,000
A. 6.7 × 10-6
B. 6.7 × 105
C. 6.7 × 10-5
D. 6.7 × 106
Answer: B
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After hurricane damage estimated at $33.3 million, a county looked to three sources for relief. Local agencies contributed $8.1 million toward the cleanup. A state emergency fund offered another $19.1 million. When applying for federal government help, how much should the county ask for to complete the cleanup?
A. $44.3 million B. $6.05 million C. $6.1 million D. $22.3 million E. $35.3 million
Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 2, below by the line y = 
, and on the left by the y-axis, about the line y = 2
A. 
?
B. 
?
C. 
?
D. 
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Solve the problem.A bullet is fired with a muzzle velocity of 1436 ft/sec from a gun aimed at an angle of 39° above the horizontal. Find the horizontal component of the velocity.
A. 1116 ft/sec B. 382.9 ft/sec C. 903.7 ft/sec D. 1163 ft/sec
Find the present value of the annuity. Round to the nearest cent.
Payments of $70 made quarterly for 5 years at 8% compounded quarterly
A. $567.76 B. $1097.49 C. $279.49 D. $1144.60