Answer:
16.03
Step-by-step explanation:
The product of 8 and a number, rised to the power of two-thirds
So 20% of 30 is 6
30% * 30 is 9
Alexa completed 6 of 30 questions
Brent completed 9 of 30 questions
Brent completed 3 more questions than Alexa
Hope this helps :)