L=p*r*t
l=1000*0.05*3
l=150
Answer: 
Step-by-step explanation:
1. You must apply the Distributive property. You need to remember the product property of exponents: If you multiply powers with the same base, you must add the exponents. Them you have:

2. Now, you must add the like terms. Then, you obtain the following result:

25% chance of guessing each question correctly
50% chance to guess one correctly
Answer:
-5/16 > -8/25
Step-by-step explanation:
125/400 > -128/400
so...
-5/16 > -8/25
She would have to study about 48 hours to get a score of 97.
Hopefully that helped! :)