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: 400; exact: 109.368
B. Estimate: 800; exact: 1093.68
C. Estimate: 400; exact: 1093.68
D. Estimate: 800; exact: 109.368
Answer: B
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Fill in the blank with one of the words or phrases listed below. Choices may be used more than once or not at all.
To find an x-intercept of a graph, let 
= 0.
A. x-intercept B. y C. y-intercept D. x
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Evaluate the determinant.
A. - 
B. 
C. 
D. 0
Solve the problem.A camera costs $550. If the sales tax rate is 4%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $27.50, $577.50 B. $220.00, $770.00 C. $22.00, $572.00 D. $16.50, $566.50