Convert the area as indicated.274,500 square meters to square kilometers
A. 2745 km2
B. 27.45 km2
C. 0.2745 km2
D. 2.745 km2
Answer: C
Mathematics
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Divide.
A. - 
+ 
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B. 
- 
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C. 
+ 
i
D. - 
+ 
i
Mathematics
Solve.The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke0.08t, where k is a constant and t is the time in years. If the current population is 47,000, in how many years is the population expected to be 117,500? (Round to the nearest year.)
A. 5 yr B. 6 yr C. 85 yr D. 11 yr
Mathematics
Estimate the difference by rounding the number to the nearest ten.
A. 23 B. 20 C. 30 D. 170
Mathematics
Perform the operations indicated. Write your answer in simplest form.-2(-4)
A. 18 B. 8 C. -8 D. 16
Mathematics