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:
The pretzels are 20% of the total weight of the snack.
Step-by-step explanation:
Total weight 12 + 20 + 8 = 40
So 8 / 40 = 20%
Answer:
$0.90
Step-by-step explanation:

3 dozen = 36

0.4 × y = 36 × 0.1
0.4y = 3.6
0.4y ÷ 0.4 = 3.6 ÷ 0.4
y = 9
Answer:
1/2
Step-by-step explanation: