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

3^(-3) = 1/3^3 = 1/27

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's