Answer:
First one is correct
Second one is 1/9
Third one is -1/9
Fourth one is 1/9
Fifth one is 1/9
Explanation:
Second one -
- Use the rules of exponents to simplify the expression;To raise a power to another power multiply the exponents
- (-3)^2(-1)
- Multiply 2 times -1
- (-3)^2
- Raise -3 to the power of -2
- 1/9
- Third one - Calculate 3 to the power of -2 to get
- -1/9
- Fourth one - Calculate -3 to the power of -2 to get
- 1/9
Fifth one - calculate 3 to the power of -2 to get
1/9