B. Directions: TRUE or FALSE. Write T If the statement is correct and F if it is not.
1. In the expression bã, we call - as a rational exponent. 2 n 3
2. To evaluate 92 , we take the cube root of 9 and then raise to 2.
3. When we write bñ as a radical, n is the index of the radical.
4. When we apply the definition of a negative exponent to (-7), the sign of exponent changes, but the sign of the radicand does not.
5. We can use laws of radicals to simplify ba.
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Answer:
true
true
false
false
true