Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a8 when a1 = 20,000, r = -0.1.
A. -0.002
B. 0.002
C. 0.0002
D. -0.02
Answer: A
Mathematics
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Write the decimal number in words.151.19
A. one hundred fifty-one and nineteen thousandths B. one hundred and fifty-one and nineteen tenths C. one hundred fifty-one and nineteen hundredths D. one hundred and fifty-one and nineteen hundredths
Mathematics
Provide an appropriate response.Stephen said that the ratio of his mortgage to the sales price of his house is 9 to 7. Is this reasonable? Explain your answer.
What will be an ideal response?
Mathematics
Simplify the expression.4-1/2
A. -2
B. - 
C. 2
D. 
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Mathematics