Use the quotient rule and other properties of exponents to simplify the expression. Use positive exponents to write your answer.
A. undefined
B. x7
C. 
D. 0
Answer: C
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Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is 
In how many years will there be 94% of the isotope left?
A. 600 years B. 309 years C. 300 years D. 256 years
Calculate the circulation of the field F around the closed curve C.F = (-x - y)i + (x + y)j , curve C is the counterclockwise path around the circle with radius 5 centered at (3, 10)
A. 50(1 + ?) B. 100? C. 50? D. 50(1 + ?) + 260
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-4 - 3i) - (5 - i)
A. -9 + 2i B. 9 + 2i C. -9 - 2i D. -9 - 3i
Find the sum of the first five terms of the sequence with the following general term.3k
Fill in the blank(s) with the appropriate word(s).