Respuesta :

whitewolf9002

Answer:

81

Step-by-step explanation:

you evaluate by mutiplying the number with the exponent, which is -9 multiplied by -9, which is 81 because 2 negatives multipled or divided is a positive. hope this helped a bit

PrabhakarDeva

Answer:

81

Step-by-step explanation:

Here, some steps to evaluate (-9)².

Step 1 :- A negative base raised to an even powers equal positive.

  • 9 ²

Step 2 :- Write exponentiation as multiplicaton.

  • 9 × 9

Step 3 :- Multiply it .

  • 81

Another way to evaluate ( -9 ) ².

Evaluate by multiply with it's exponent.

  • -9 × -9

When two negative sign combine they formed positive

So, after multiplying we get 81.

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