Which Is Equivalent To Rootindex 3 Startroot 8 Endroot Superscript X? Rootindex X Startroot 8 Endroot Superscript X 8 Superscript Startfraction 3 Over X Endfraction 8 Superscript Startfraction X Over 3 Endfraction 8 Superscript 3 X. The mathematical expression mentioned in your question, rootindex 3 startroot 8 endroot superscript x, refers to the cube root of 8 raised to the power of x. 8 superscript startfraction x over 3 endfraction.

8 superscript start fraction 3 over 4 x end fraction. The mathematical expression mentioned in your question, rootindex 3 startroot 8 endroot superscript x, refers to the cube root of 8 raised to the power of x. To determine which expression is equivalent to the given expression, we start with the original expression: