A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.Exactly two twos
A. 0.159
B. 0.011
C. 0.198
D. 0.116
Answer: C
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Use scientific notation to solve the problem.A company produced 925,000 small appliances in one year and made a profit of $8,620,000. What was the profit on each appliance?
A. $1.07 × 10-1 B. $9.32 C. $1.07 D. $9.32 × 102
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 0.7, then y = 3.5.
A. k = 2.8; y = x + 2.8 B. k = 0.2; y = 0.2x C. k = 0.7; y = 0.7x D. k = 5; y = 5x
Express as a sum of logarithms.ln 6x
A. ln 6 + ln x B. ln 6x + ln x C. ln(6 + x) D. ln 6 - ln x
Find the volume of the sphere or the cylinder. Use ? = 3.14 when needed. Round to the nearest thousandth if necessary.A sphere with radius 0.7 m.
A. 0.808 m3 B. 2.051 m3 C. 11.488 m3 D. 1.436 m3