B. Perfect square
3. What is the principal root of 289 ?
A. 14
B. 15
C. 16
4. What is the positive fourth root of 4 096?
A. 8
B. 9
C. 10
5. Which of the following is NOT a rational number?
B. 0.16
A.
C. 2
100
6. Which of the following is the principal root of-16​