Answer:
4th root of 16 ;
4 = index ; 16 = radicand ;
2
Explanation:
Given the expression :
⁴√16 represents the 4th root of 16
In the expression stated above :
The index = 4 ; number to the left of the root symbol
Radicand = 16 ; number under the square root symbol ` Sqareroot (√) is a radical symbol, and the number under the radical square root Symbol is called the radicand.
Hence. The 4th root of 16:
⁴√16 ; using a calculator gives 2.
With two obtained as the 4th root, the 4th power of 2 should give 16
2⁴ = 2 * 2 * 2 * 2 = 16