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: 8; exact: 6.768
B. Estimate: 3; exact: 5.768
C. Estimate: 0.8; exact: 0.6768
D. Estimate: 0.3; exact: 6.668
Answer: A
Mathematics
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Find the perimeter of the figure.A rectangle 9 yd × 15 yd
A. 270 yd B. 24 yd2 C. 48 yd D. 36 yd2
Mathematics
Use the relation's graph to determine its domain and range.
- 
= 1 
A. Domain: (-?, -2] and [2, ?) Range: (-?, ?) B. Domain: (-?, ?) Range: (-?, ?) C. Domain: (-?, ?) Range: (-?, -2) or (2, ?) D. Domain: (-?, -2] or [2, ?) Range: (-?, ?)
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Find all solutions of the equation in the interval [0, 2?).2 cos
- 
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Graph the solution set of the inequality and write it in interval notation.{x|-2 ? x ? 2}
A. (-2, 2]
B. [-2, 2]
C. (-2, 2)
D. [-2, 2)
Mathematics