Respuesta :

Luv2Teach

Answer:

[tex]1^2[/tex]

Step-by-step explanation:

The number 1 is called the base.  When we multiply like bases, we add the exponents.  So in order to get 1^9, we will multiply 1^7 by 1^2 because 7+2=9.

Sky50923

Answer:

The answer is [tex]1^{2}[/tex]

Step-by-step explanation:

Using the formula: [tex]a^{m}+a^{n}= a^{m+n}[/tex]

[tex]1^{9}=1^{7}*1^{2}=1^{7+2=9} =1^{9}[/tex]