Write an equivalent expression without negative exponents.
A. 
B. a6b9
C. 
D. - 
Answer: C
Mathematics
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The number N, in millions, of Americans with Internet access t years after 1990 is modeled by the function
.
?
According to the model, how many Americans had Internet access in 1990? Round your answer to two decimal places, if necessary.
?
A. 194 million B. 97.00 million C. 100 million D. 1.92 million
Mathematics
Perform the operation and write the result in the standard form.(8 + 
)(2 + 
)
A. 4 + 52i B. 80 i C. 160 + 296i D. 80
Mathematics
Add.
+ 8
A. 
B. 0
C. 16
D. 8
Mathematics
Fill in the blank with one of the words or phrases listed below. 
A letter used to represent a number is called a(n) 
.
A. constant B. variable C. solution D. numerical coefficient
Mathematics