Which expression is equivalent to the expression shown? : 3^-3 a: -27 b: 1/27 c: -1/27 d: 27

B. 1/27

1. you switch the denominator and the numerator (3/1 goes to 1/3).
2. then you take the exponents value (3) and put that as the exponent for 1/3
3. 1/(3^3) = 1/27

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Photo math will give you the step by step answer : )