Perform the indicated operations, and write the answer without exponents.
A. 0.000042
B. 0.0042
C. 0.0000042
D. 0.00042
Answer: D
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?What is the best reason for lining up the decimal point when adding or subtracting decimal numbers? ?
A. ?In order to line-up the place-values of each digit. B. ?In order to line-up the decimal point. C. ?In order to follow the procedure of the addition/subtraction algorithm. D. ?You cannot perform the operation otherwise. E. ?So you can annex zeros when necessary.
Find the derivative.r = 
- 
A. 
- 
B. - 
+ 
C. 
- 
D. - 
+ 
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Find the center and the radius of the circle.(x - 3)2 + (y - 6)2 = 9
A. (-6, -3), r = 9 B. (-3, -6), r = 9 C. (6, 3), r = 3 D. (3, 6), r = 3