Respuesta :
The equivalent expressions to 243 Superscript two-fifths will be 9.
What are equivalent expressions?
Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple, we simplify it.
Simplification usually involves making the expression simple and easy to use later,
The given expression is;
[tex]243^{2/5}[/tex]
We know that 2/3 = 0.4
So, the equivalent expressions to the given function;
[tex]243^{0.4}\\\\= 9[/tex]
Thus, The equivalent expressions to 243 Superscript two-fifths will be 9.
Learn more about expression here;
https://brainly.com/question/14083225
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