Q38: Use the definition of rational exponents to
Q39: Multiply. (Assume the variable represents a nonnegative
Q40: Simplify the expression. Remember, negative exponents give
Q41: Multiply. (Assume the variable represents a nonnegative
Q42: Factor the expression as if it were
Q44: Simplify the expression to a single fraction.
Q45: Multiply. (Assume the variables represent nonnegative real
Q46: Multiply. (Assume the variables represent nonnegative real
Q47: Multiply. (Assume the variable represents a nonnegative
Q48: Multiply. (Assume the variables represent nonnegative real
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