line up your decimals and then multiply like usual, next count how many places after the decimal your problem(s) was and place it to your answer
A basic unit of a chemical element
This website has a calculator that also has step-by-step explanations. https://www.mathpapa.com/algebra-calculator.html
Answer: 4x+8
Step-by-step explanation:
Okay since the area for the block is X, two numbers multiplied together is X.
Since the big block has an area of X^2, then this shows the sides to be X.
This gives the sides of the block with area X to be 1 and X.
Now just add up every side like this : 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + x + x + x + x to get 4x+8