Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 2; exact: 2.154236
B. Estimate: 200; exact: 215.4236
C. Estimate: 20; exact: 21.54236
D. Estimate: 200; exact: 2154.236
Answer: C
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Solve the problem.The ellipse 
+ 
= 1 is shifted horizontally and vertically to obtain the ellipse
+ 
= 1.Find the center and vertices of the new ellipse.
A. Center: (-3, 4); Vertices: (-28, 4), (22, 4) B. Center: (4, -3); Vertices: (-28, 4), (22, 4) C. Center: (-3, 4); Vertices: (4, -28), (4, 22) D. Center: (4, -3); Vertices: (4, -28), (4, 22)
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Find the exact value of the product.cos
sin
A. 
B. 
C. 
D. - 
Multiply. Write the answer as an improper fraction as needed.
? 
A. 
B. 
C. 
D. 1