Find the product of the following real numbers.(3.1)(-6.31)

A. -3.21
B. 9.41
C. 19.561
D. -19.561


Answer: D

Mathematics

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Write the number in ordinary notation.9 × 10-4

A. 0.009 B. 0.0009 C. -90,000 D. 0.00009

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The graph of f(x) = ax2 + bx + c is given in the figure. Solve the equation 

A. 10 B. 0 C. -10 D. No real solutions

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Solve.The circle graph shows the fraction of books read by grades one through five. What fraction of books was read by the fifth and third grades combined?

A.
B.
C.
D.

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Use the trapezoidal rule and Simpson's rule to approximate the value of the definite integral. ? ?

A. By trapezoidal rule 1.2140, by Simpson's rule 1.1609 B. By trapezoidal rule 1.1705, by Simpson's rule 1.1520 C. By trapezoidal rule 1.1000, by Simpson's rule 1.1660 D. By trapezoidal rule 1.3620, by Simpson's rule 1.1306 E. By trapezoidal rule 0.9613, by Simpson's rule 0.9503

Mathematics