Răspuns:
Explicație pas cu pas:
[tex]\bf 5,4^{9} \cdot 5,4^{9} \cdot 5,4^{12}= 5,4^{9+9+12}= 5,4^{30}=[/tex]
[tex]\bf =\bigg(\dfrac{54^{(2}}{10} \bigg)^{30}=\red{\boxed{\bf\bigg(\dfrac{27}{5} \bigg)^{30}}}[/tex]
[tex]\pink{\bf \underline{Formule~pentru~puteri}:}[/tex]
[tex]\bf a^{0} = 1;[/tex]
[tex]\bf a^{n}\cdot a^{m} =a^{n+m};[/tex]
[tex]\bf (a^{n})^{m} = a^{n \cdot m};[/tex]
==pav38==
