Respuesta :

The answer should be b¹². You add the exponents of each constant. In the case of the simple b the exponent would be one.
gmany

[tex]Use\\\\a^n\cdot a^m=a^{n+m}\\\\b^2\cdot b^4\cdot b\cdot b^5=b^{2+4+1+5}=\boxed{b^{12}}[/tex]