Express the number in decimal notation.8.1 × 105
A. 81,000
B. 8,100,000
C. 405
D. 810,000
Answer: D
Mathematics
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Find an explicit formula for an.8, 9, 10, 11, 12, . . .
A. an = n + 9 B. an = n + 7 C. an = n + 8 D. an = n - 8
Mathematics
Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(
+ 4)(
- 5)
A. -14
B. -10 - 5 ? 
C. -44 + 14 ? 
D. -14 - 5 
+ 4 
Mathematics
Solve for rate in the problem. Round to the nearest tenth of a percent. % of 57 clients is 483 clients.
A. 1.2 B. 847.4 C. 84.7 D. 0.1
Mathematics
Solve. Write each fraction in simplest form.There are 5280 feet in a mile. What fraction of a mile is represented by 2200 feet?
A. 
B. 
C. 
D. 
Mathematics