First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Tran's subtotal at Scramble's Electronics is $333.09. The sales tax on these items is $23.70. What was Tran's total bill?
A. Estimate: $356.79; exact: $356.79
B. Estimate: $320; exact: $356.79
C. Estimate: $280; exact: $309.39
D. Estimate: $300; exact: $356.79
Answer: B
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__tttt0613191206__f1q26g7.jpg" alt="" style="vertical-align: -4.0px;" /> 
Rwhere R is the parallelepiped bounded by the planes 
A. 350
B. 
C. 
D. 
Find the area of the rectangle or square.
16 cm
A. 64 square centimeters B. 256 square centimeters C. 512 square centimeters D. 251 square centimeters
Solve triangle ABC. If necessary, round the answer to the nearest tenth.b = 4, c = 6, A = 85°
A. a = 6.9, B = 35.3°, C = 59.7° B. a = 6.9, B = 59.7°, C = 35.3° C. a = 5.9, B = 59.7°, C = 35.3° D. a = 7.9, B = 35.3°, C = 59.7°
For the given equation, find the vertex or vertices.r = 
A. 
B. 
, 
C. 
D. 
, 