Percentage is out of 100, so in this case we have a fraction of 4/10.
Answer:
Step-by-step explanation:
A. 3.11
B.7.5
C.6.46
D.133.17
Surface area of a cube = 486 square inches
Solution:
Given each side of a cube = 9 inches
Net of a cube has 6 squares.
Area of square = side × side
Area of 1 square = 9 × 9 = 81 square inches
Surface area of a cube = Area of 6 squares
= 6 × (side × side)
= 6 × 81
= 486 square inches
Hence, surface area of a cube is 486 square inches.
Simplifying Expressions Using the Properties of Exponents (Four Examples)Daniel Ozimek
