contestada

If you know that nine to the third power = 729, describe how to find nine to the fourth power without having to multiply four 9s.

Respuesta :

remember
[tex](x^m)(x^n)=x^{m+n}[/tex]

so
[tex](9^3)(9^1)=9^{3+1}=9^4[/tex]
9^3=729
so

[tex](729)(9)=9^4[/tex]
that's how yo do it, muliply 9 by 729