Find the probability.A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting exactly two twos. Round to the nearest thousandth when necessary.
A. 0.011
B. 0.159
C. 0.116
D. 0.198
Answer: D
Mathematics
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Perform the indicated operation.-
+ 
A. 
B. - 
C. - 2
D. 2
Mathematics
Factor the difference of two squares.25 - 49x2
A. (5 - 7x)2 B. (5 + 7x)2 C. (5 + 7x)(5 - 7x) D. prime
Mathematics
Convert to decimal notation.9.0442 × 10-7
A. 0.000000090442 B. -904,420,000 C. 0.0000090442 D. 0.00000090442
Mathematics
Find the following using a calculator. Round to four decimal places.ln 0.995
A. -0.0022 B. 0.0022 C. -0.0050 D. 0.0050
Mathematics