701 = 21 + 68w
701-21= 680
680/68=10
w=10
So if the area of a square is 320 square meters, then because all four sides are equal, you would end up with the equation

which simplifies to
Answer:
-4.1656x10^-2
Step-by-step explanation:
When doing scientific notation, the number must be represented between 0-9 (positive or negative) and the decimal place is then moved. In this case to get to 4 you must move the decimal left 2 places, so when you move to the left the exponent is negative
Answer:
10
Step-by-step explanation:
-20 +40 -60 +80
estw es el processo