Let's recall one of the properties of the exponents:
When we have a negative exponent, we solve it, as follows:
[tex]x^{-n}=1/x^n[/tex]Then we solve the power given, this way:
[tex]3^{-4\text{ }}=\frac{1}{3^4\text{ }}\text{ = 1/81}[/tex]We can express it either as a fraction or as a decimal:
1/81 = 0.0123
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