Write the number in scientific notation.0.00004002
A. 4.02 × 10-4
B. 4.002 × 10-5
C. 4.02 × 10-5
D. 4.002 × 10-4
Answer: B
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Use truth tables to test the validity of the argument.~p ? q
? p ? q
A. Invalid B. Valid
Find the requested measurement. Use ? ? 3.14 and round your answer to the nearest hundredth.Find the area.
A. 72.22 yd2 B. 1661.06 yd2 C. 144.44 yd2 D. 415.27 yd2
Provide an appropriate response.Solving for which variable in which equation involves the least amount of work? 3x = 6x - 9y = 29
A. x in equation 1 B. x in equation 2 C. y in equation 2 D. y in equation 1
Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal.
A. 14 million B. 1 million C. 16 million D. 15 million