Answer:

Step-by-step explanation:
<u>Properties of Exponents</u>
The property called Power to a Power shows us how to simplify expressions of the type:

Similarily the property called Power of a product simplifies expressions like:

The company mentioned in the question uses the expression

millimeters per second to calculate the maximum capacity of a photocell with an area of x^3 square millimeters.
First, use the power of a product property:

Now use the power to a power property:

Operate:

Answer:
sure
Step-by-step explanation:
Answer:
43.96
(i used 3.14 for pie)
Step-by-step explanation:
Step-by-step explanation:
Let's start by defining our term:
How much she had at the beginning = B
Now let's edit that value like the problem says
B - B/4 - B/8 = 40
Let's multiply everything by 8 to get rid of any denominators
8B - 2B - B = 320
5B = 320
B = 64
Answer:
Rachel had $64 at the beginning.