Answer:

Step-by-step explanation:
2/3= 0.66666
Dividing the given value to obtain the decimal value gives:

The last number is 7 which is greater than 5 this will increment the previous number by 1.
As,the previous values are also '6', so this step will continue till three significant figures.

So the value rounded up to 3 significant is 
Answer:
x(x+5)
Step-by-step explanation:
x2+5x
=x(x+5)
The length of each side of a square is 3 in. more than the length of each side of a smaller square. The sum of the areas of the squares is 149 in. $^{2} .$ Find the lengths of the sides of the two squares.
Answer:
A. Area = 8
B. Area = 15.5
Explanation:
Formula for Area of Triangles: b•h / 2
A.
height = 2.
base = 8.
2•8 = 16/2 = 8
Area = 8
B.
height = 3
base = 7
3•7 = 21/2 = 15.5
Area = 15.5