Please help me with this..i answered it but i still need help so it would be sure please answer properly this is an examination

Answer:
11. 4 = 16
12. 11 = 121
13. 25 = 625
14. 16 = 256
15. 0 = undefined
16. 0 = 0
17. 2 = 8
18. 3 = 27
19. 2/3 = 8/27
20. 5 = 125
Answer:
11) 16
12) 121
13) 625
14) 256
15) 0
16) 0
17) 8
18) 27
19) 8/27
20) 125
Step-by-step explanation:
11) 4 × 4 = 16
12) 11 × 11 = 121
13) 25 × 25 = 625
14) 16 × 16 = 256
15) 0 × 0 = 0
16) 0 × 0 × 0 = 0
17) 2 × 2 × 2 = 8
18) 3 × 3 × 3 = 27
19) 2/3 × 2/3 × 2/3 = 8/27
(Multiply numerator to numerator, denominator to denominator)
20) 5 × 5 × 5 = 125