B - Since it is a dotted inequality, it would be a equal to and something else. And since it is greater than 3, it would be X is equal to or less than 3
Answer:
Positive exponent
Step-by-step explanation:
Like x root 1 , 2 , 3 etc
If it said negative exponent then x root -1, -2 etc etc.
Using the profit concept, it is found that she makes a profit of $4 selling a dozen cookies for six dollars.
<h3>What is a profit?</h3>
The profit is given by the <u>subtraction of the revenue by the total costs</u>.
In this problem:
- For the dozen cookies, she earned a revenue of 6 dollars.
- In all, the total cost of the 12 cookies was of 0.5 + 0.7 + 0.4 + 0.4 = 2 dollars.
6 - 2 = 4, hence she makes a profit of $4.
More can be learned about the profit concept at brainly.com/question/4001746
Answer:
656.4671128 nanometer
Step-by-step explanation:
1 nano meter = 10 ^-9 meter
Now given 6.564671128 × 10^ -7 meters
so in nano meter ,

= 656.4671128 × 10^-9 meter
= 656.4671128 nanometer Answer