Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that all engines will survive the test.
?
Please enter your answer as a simplified fraction.
What will be an ideal response?
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Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the current flowing
through the resistor is 
A. 72 volts
B. 36 volts
C. 24 volts
D. 54 volts
Use the product rule, if possible, to simplify the expression. Write the answer in exponential form.(-6p4)(-2p6)
A. 12p24 B. -12p24 C. 12p10 D. -12p10
Solve the problem.A certain radioactive isotope has a half-life of approximately 1800 years. How many years would be required for a given amount of this isotope to decay to 60% of that amount?
A. 1327 yr B. 2379 yr C. 720 yr D. 1267 yr
Solve the equation by the Square Root Method.x2 = 2
A. {2, -2}
B. {
}
C. {
, -
}
D. no real solution