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  • 17-11-2020
  • Mathematics
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PLEASE HELP NOW!!!!!
Which expression is equivalent to 3^2 • 3^-5

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carolmartelotte2020 carolmartelotte2020
  • 17-11-2020

3²×3^-5

Multiply the terms with the same base by adding their exponents

3²-5

Calculate the differences

3^-³

Express with a positive exponent using  a ^-n =1/n

                                                                             a

1/3³

Write the exponentiation as a multiplication

3×3×3

Multiply the numbers

27

Answer is 1/27

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