Solve the problem.Using the numerals 0 through 9, how many 7-digit serial numbers can end with the numeral 0 if the first digit must be 0 or 1 and no numerals may be repeated?
A. 30,240
B. 8
C. 56
D. 6720
Answer: D
Mathematics
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Write the fraction or mixed number as a percent.3
A. 3.5% B. 350% C. 0.35% D. 35%
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Use the change of base formula to approximate the expression to four decimal places.log7 17
A. 0.6868 B. -1.4560 C. 1.4560 D. 2.9120
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Provide an appropriate response.If k represents any positive integer, what is true about the answer you get 
What will be an ideal response?
Mathematics
Compute and simplify so that only positive exponents remain.
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A. 
B. 
C. 
D. 
E. 
Mathematics