haileysmallwood1 haileysmallwood1

03-09-2018
Mathematics

contestada

Simplify 3^-9 / 3^-12.
1/3^3
1/3^21
3^3
3^21

Respuesta :

GoddessofDork GoddessofDork

03-09-2018

Here's a rule that applies to this expression:

Dividing exponents of the same base: [tex] \frac{x^m}{x^n}=x^{m-n} [/tex]

For this, just divide:

[tex] \frac{3^{-9}}{3^{-12}}=3^{-9-(-12)}=3^3 [/tex]

Your answer is 3^3, or the third option.

Answer Link

21hendlill 21hendlill

08-04-2021

Answer:

C) 3^3

Step-by-step explanation:

Answer Link

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