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Tyler simplified the expression x^-3 y^-9. His procedure is show below.

X^-3y^-9=1/x^3•1/y-9=1/x^3y^-9

What is Tyler error?!

A. Both powers should be in the numerator with positive exponent

B. Both powers should be in the dominator with positive exponent

C. The power x^3 should be in the numerator and the power y^9 in the denominator

D. The power y^9 should be in the numerator and the power x^3 in the denominator

Pls help me! ❤️

Respuesta :

carlosego
The answer for the question shown above is: B. Both powers should be in the dominator with positive exponent.
 The explanation is shown below:
 1. You have the following expression given in the problem above:
 x⁻3y⁻9
 2. The negative exponents indicates that x⁻3y⁻9 should be in the denominator with positive exponents. Therefore, you have:
  x⁻3y⁻9=1/x^3y^9
 

Answer:

B. Both powers should be in the dominator with positive exponent.

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