Write the repeating decimal using an ellipsis.2.0
A. 2.090909 . . .
B. 2.909090 . . .
C. 2.999 . . .
D. 2.0999 . . .
Answer: D
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Write an algebraic expression to answer the question and simplify.A stack of currency contains 60 bills. In the stack are x $20 bills. The rest are $50 bills. How much money is in the stack of bills?
A. 20x + 50(60 - x); -30x + 3000 dollars B. 20x - 50(60 - x); 70x - 3000 dollars C. 20x + 50(60 - x); 30x + 3000 dollars D. Cannot be solved
Write the equation of the line with the given slope and y-intercept.Slope = 9.5, y-intercept = -4
A. y = -4x + 9.5 B. y = 4.5x - 9 C. y = -9.5x + 4 D. y = 9.5x - 4
Solve the problem. Express the answer in scientific notation to two decimals.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 1012 sec B. 1.4 × 106 sec C. 1.4 × 105 sec D. 1.4 × 10-7 sec
Complete.720 sec = ___ hr
A. 1.2 B. 2 C. 12 D. 0.2