I would say yes, it is easier to subtract numbers when they are above and below each other because that ways you can easily borrow from the places in front of the number and rewrite without problems. It also helps keep the math more organized so that your work does not confuse you.
Hope this helps c:
The answer to your question is,
all the powers have the value of 1 because the exponent is zero
-Mabel <3
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:
the answer is 10 you round up a nine it keeps going to the end
Y= 12 -3x so if you take x as 0 y=12 x=1 y=9 x=2 y=6
(0, 12) (1,9), (2,6) are on the graph