Respuesta :

MathQ
C: 12/35a^3

2 multiplied by 6 is 12.
5 multiplied by 7 is 35.
a^1+a^2=a^3.
gmany
[tex]\dfrac{2}{5a}\cdot\dfrac{6}{7a^2}=\dfrac{2\cdot6}{5a\cdot7a^2}=\dfrac{12}{(5\cdot7)(a\cdot a^2)}=\dfrac{12}{35a^3}[/tex]
[tex]\boxed{Answer:\ C.\ \dfrac{12}{35a^3}}[/tex]
[tex]Used:\ a^n\cdot a^m=a^{n+m}[/tex]

Otras preguntas