Write the number in scientific notation.A business projects next year's profits to be $12,200,000.
A. 1.22 × 10-8
B. 1.22 × 108
C. 1.22 × 107
D. 1.22 × 106
Answer: C
Mathematics
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Find the length of the curve with the given vector equation.r(t) = (8 - 2t)i + (4 + 6t)j + (9t - 3)k, -7 ? t ? -1
A. -88 B. -968 C. 66 D. 726
Mathematics
Find the derivative.y = 
A. 
B. 
C. 
(10x + 3)3/2
D. 
- 
Mathematics
Solve the equation. Round to the nearest tenth, if necessary.If an object is dropped, the distance it falls is given by d = 
gt2, where g is about 32 ft/sec2. How long would it take an object to fall 64 feet?
A. 1 sec B. 4 sec C. 2 sec D. 0.5 sec
Mathematics
Provide an appropriate response. Factor completely: 4x2 - 81y2
A. (4x + 9y)(4x - 9y) B. (2x - 9y)2 C. 4(x + 9y)(x - 9y) D. (2x + 9y)(2x - 9y)
Mathematics