5.9 • 10^4
just add the two numbers because the exponents are equal.
Answer:
3600
Step-by-step explanation:
0.1*4000=400
4000-400=3600 gallons
Answer: 
Step-by-step explanation:
For this exercise it is important to remember the following:

Given the following expression:

You can notice that the radicand (the number inside the square root) is negative. Therefore, in order to simplify the expression, you need to follow these steps:
1. Replace
with
and simplify:

2. Descompose 12 into its prime factors:

3. Substitute into the expression:

4. Since
, you can simplify it:
