Express the number in terms of powers of the numbers in the expression.7 ? 3 ? 7 ? 3 ? 7
A. 3 ? 7
B. 35 ? 75
C. 32 ? 73
D. 2(3) ? 3(7)
Answer: C
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 1, x = 8
A. 
?
B. 
?
C. 
?
D. ?ln 8
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Provide an appropriate response.When solving problems, why is it necessary to check the answer in the original problem rather than in the equation to which you translated the problem?
What will be an ideal response?
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. 
a = 3, B = 30°; Find b, c, and A.
A. b = 1.73 c = 4.46 A =60° B. b = 1.73 c = 3.46 A = 60° C. b = 2.73 c = 3.46 A = 60° D. b = 2.73 c = 4.46 A = 60°