Predict the display a calculator would give for the expression shown in the screen. (2E10) * (2E-9)
A. 4E 19
B. 4E 1
C. 4E1
D. 4E19
Answer: B
Mathematics
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A. 21 B. -21 C. 220 D. 22
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A. > B. = C. <
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Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
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