Simplify the expression.
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Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
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A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Evaluate using a calculator. Express answers to the nearest ten-thousnadth.log 2,256
A. 7.7213 B. 3.3533 C. 2.8533 D. 8.2213
Mathematics
Evaluate the expression.Let x = 5, y = -1. Evaluate 
.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15
Mathematics
Perform the indicated operations. Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics