Express the number in scientific notation.870,000
A. 8.7 × 105
B. 8.7 × 104
C. 8.7 × 10-4
D. 8.7 × 10-5
Answer: A
Mathematics
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Find the domain of the given function.f(x) = 
A. all real numbers x where x ? 6
B. all real numbers x where x ? - 
C. all real numbers x where x > 
D. all real numbers x where x > -6
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.-7
- 5
A. -88
B. 38
C. 88
D. -38
Mathematics
Multiply and simplify.
? 
A. m + n
B. 
C. 
D. 
Mathematics
Round the decimal to the given place value.5.45, nearest tenth
A. 5.5 B. 5.45 C. 5.4 D. 5.6
Mathematics