Answer:
The required expression is 
Step-by-step explanation:
Consider the provided information.
A tissue can be 0.000075 meters thick and we need to represent it into scientific notation.
Steps to write a number in scientific notation.
- Move the decimal place to the right so that the new number from 1 up to 10.
- Determine the exponent, the exponent is the number of times you moved the decimal.
Now, consider the number 0.000075
Move the decimal point to 5 place right so that the new number from 1 up to 10.
Now, put the exponent the number of times you moved decimal. 
Hence, the required expression is 
Answer:
8
Step-by-step explanation:
10 + 8 = 18
18 x 2 = 36
0.625 dozen
1/12 x 7.5
= 0.625
Answer: 80 = 20 + 5v
Step-by-step explanation:
This equation allows you to find out how many visits would create an even rate for both gyms.
We have the formula:

where M is the mark down, S is the original price and N is the reduced price. Plugging the values we know:

Therefore the original price was $15.95