Simplify and write the answer using scientific notation. Use the correct number of significant digits.(4.4 × 10-6)(1.8 × 10-9)
A. 7.9 × 10-3
B. 7.9 × 1015
C. 6.2 × 1015
D. 7.9 × 10-15
Answer: D
Mathematics
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 9 - 3 cos ?
A. 
?
B. 45?
C. 
?
D. 90?
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. x2 + 1
B. 1
C. 
D. 
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Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = 14 - x2
A. Linear; -x2; -1; 1 B. Quadratic; -x2; -1; 2 C. Linear; 14; 14; 1 D. Constant; 14; 14; 0
Mathematics
Follow the proper order of operations to evaluate the following.6[-6 + 3(-8 + 2)]
A. -144 B. 104 C. 108 D. -54
Mathematics