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3 votes
I think I got this right is it right ?

I think I got this right is it right ?-example-1
User ShrapNull
by
6.3k points

2 Answers

2 votes

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

User Toni Tegar Sahidi
by
6.4k points
1 vote

Answer:

1. Correct

2. Incorrect

3. Correct

4. Correct

5. Incorrect

Explanation:

For the ones you got wrong:

1 / (-3)² = 1/9

and


3^(-2) = 1/9

User Photosynthesis
by
5.7k points