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 $340.96. The sales tax on these items is $22.07. What was Tran's total bill?
A. Estimate: $280; exact: $318.89
B. Estimate: $320; exact: $363.03
C. Estimate: $363.03; exact: $363.03
D. Estimate: $300; exact: $363.03
Answer: B
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Solve the problem.The difference in length between the minimum spanning tree and the shortest network is
A. always less than 5%. B. 0. C. always greater than 0. D. always less than 13.4%. E. none of these
Solve the problem.
Syed Gupta earns a biweekly salary of $4723.08 with no adjustments to income. He is married and claims 3 withholding allowances. Find the federal tax withholding to be deducted from his biweekly paycheck using the percentage method tables.
A. $656.42 B. $773.27 C. $1579.52 D. $1462.67
Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. -x2
B. 
C. x10
D. 