Use a calculator to evaluate the expression. (Round your answer to three decimal places.)
A. 4.176 × 108
B. 4.176 × 109
C. 7.802 × 107
D. 7.802 × 109
E. 7.802 × 108
Answer: E
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Solve the problem.A quiz has 17 problems. The total point value of the quiz is 65 points. If each multiple-choice problem is worth five points and each true-false problem is worth three points, how many of each kind of problem does the quiz have?
A. 7 multiple-choice and 10 true-false problems B. 8 multiple-choice and 9 true-false problems C. 6 multiple-choice and 11 true-false problems D. 5 multiple-choice and 12 true-false problems
Solve each equation for y as an expression in x. Then equate the expressions to obtain an equation in the variable x. Finally, solve the equation for the unknown x.y - 3x = 20; y - 2x = 5
A. {-15} B. {25} C. {15} D. {-25}
Answer the question.Assume a is positive, b is negative, and c is positive for the expressiona - ( b / c)Tell whether the value of the given expression is positive, negative or cannot be determined.
A. Negative B. Positive C. Cannot be determined
Write the number in standard form.2.19 × 10-4
A. 0.0000219 B. -219,000 C. 0.000219 D. 0.00219