Simplify the expression. Write the result using positive exponents only.r-2
A. r1/2
B. -r2
C. 
D. - 
Answer: C
Mathematics
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Convert the number to the indicated base.303four to base eight
A. 75eight B. 51eight C. 37eight D. 63eight
Mathematics
Determine the prime power representation of the number.217
A. 7 ? 29 B. 72 ? 31 C. 72 D. 7 ? 31
Mathematics
Solve the problem.If the list price is $49.14 and if $12.08 is saved by buying from a discount catalog, what is the discount price for the item?
A. $61.22 B. $37.16 C. $37.06 D. $60.22
Mathematics
Solve the problem.A cashier has a total of 120 bills, made up of fives and tens. The total value of the money is $870. How many ten-dollar bills does the cashier have?
A. 27 B. 66 C. 54 D. 81
Mathematics