Provide an appropriate response.Why is scientific notation used?
What will be an ideal response?
Answers will vary. One possible response: Numbers occurring in science are often extremely large or extremely small. It is easier to represent such extreme numbers using scientific notation rather than using standard notation with many zeros.
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Solve the problem.Find the sum of the infinite series 1 + 2r + 5r2 + 2r3 + r4 + 2r5 + 5r6 + 2a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Factor the polynomial completely.10x3 + 11x2 - 6x
A. x(5x - 2)(2x + 3) B. x2(5x - 2)(2x + 3) C. x(2x - 2)(5x + 3) D. (5x2 - 2)(2x + 3)
Find the indicated probability. Leave your answer in fractional form unless otherwise indicated.A class consists of 100 female students and 66 male students. One student is selected at random. What is the probability that the student is female?
A. 
B. 
C. 
D. 
Write the expression in the standard form a + bi.(-
+ i)6
A. 64i
B. -64
+ 64i
C. 64 - 64
i
D. -64