Answer:
80%
Step-by-step explanation:
Percent means out of 100
We need a denominator out of 100
16/20 *5/5 = 80/100
The percent is 80%
Positive hope it help :D
Sorry if I’m not right :/
When we have exponents multiplied with the same base we add them so 5^5*5^10=5^15
