Solve the problem.The population of a particular country was 24 million in 1984; in 1994, it was 34 million. The exponential growth function 
describes the population of this country t years after 1984. Use the fact that 10 years after 1984 the population increased by 10 million to find k to three decimal places.
A. 0.230
B. 0.045
C. 0.670
D. 0.035
Answer: D
Mathematics
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Expand the number to its natural form.2.53 × 105
A. 2,530,000 B. 253,000 C. 25,300,000 D. 25,300
Mathematics
Multiply.1000 × 616.184449
A. 61,618.4449 B. 6161.84449 C. 616,184.449 D. 6,161,844.49
Mathematics
The following is a graph of a polynomial function. State whether the degree of the polynomial is even or odd, and give the sign (+ or -) for the leading coefficient.
A. Degree is even; + B. Degree is odd; - C. Degree is even; - D. Can't identify degree; -
Mathematics
Factor completely, if possible.x2 - 18xy + 81y2
A. (x + 9y)2 B. (x - 9y)(x + 9y) C. Prime D. (x - 9y)2
Mathematics