Answer:
The percentage is 26.6%
Step-by-step explanation:
Here, we want to
work
out the percentage change
To do this, we use the percentage change formula
This is,
percentage change = new value-old value)/old value * 100%
= (100-78.98)/78.98 * 100%
21.02/78.98 * 100% = 26.6%
Tiffany answered 32 questions correctly since 32/40 is .80
Answer:

Step-by-step explanation:

the product rule states that you add exponents when you multiply

the quotient rule states that you subtract exponents when you divide

Answer:
random
Step-by-step explanation:
each has a random, equal chance of being selected