Answer:

Step-by-step explanation:
We want to simplify:

We rewrite as positive index to get:

This simplifies to

This will finally give us:

We cannot simplify further.
Hence the simplest form is 
Answer:
2 students in each group
Step-by-step explanation:
If there were 5 groups and after a while 7 students leave early and 3 students remain to do the activity, if you add 7 + 3 = 10 divide it by 5, the number of groups in the activity, you would get 2 students in each group.
ABCDEFGH = 22.
HEFG = 12
ABCD = 10
Answer:
interest = $60
Step-by-step explanation:
use the formula i = prt
p = $600
r = 5%
t = 2 years