Use interval notation to describe the interval of real numbers.x is greater than -6 and less than -2.

A. [-6, -2)
B. [-6, -2]
C. (-6, -2]
D. (-6, -2)


Answer: D

Mathematics

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Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.9. Please round the answer to the whole number. 

A. 21 B. 24 C. 16 D. 26 E. 18

Mathematics

Find the indicated value.Find m if log m = -24.63, where m is the mass in kilograms of a certain atom.

A. m = 2.01 × 10-11  kg B. m = 2.34 × 10-25  kg C. m = -2.46 × 102  kg D. m = 4.27 × 1024  kg

Mathematics

Convert the angle to degrees, minutes, and seconds; or to decimal degrees (and round your result to the nearest hundredth of a degree).107.08°

A. 107°5'48'' B. 107°4'48'' C. 107°2'8'' D. 107°4'8''

Mathematics

Find the indicated set given A = {-3, 0, 2, 5, 6, 11, 16, 23}, B = {-3, 0, 16, 23}, and B ? C

A. {11, 16, 23} B. {16, 23} C. {-7, -4, -3, 0, 11, 16, 23} D. {-4, 16, 23}

Mathematics