Question

1. A cube has a total surface area of 150cm square. find the side lenght of the cube.

2. A large cube is 8cm in height How many 1x1x1 cm cubes were used to make the large cube
b. Luke has one hundred 1x1x1 cm cubes. How many 1x1x1 cubes would he have left to build the biggest cube he could?
HELP INSTANTLY!!!!!!!!!!!!!!!!!!

Answer 1

The answer is 412 cm^3

Answer 2

1. 5 cm

2. 512 cubes

b. -412? 4x4x4?

Explanation:

1. (150/6)^0.5

2. 8^3 = 512

1^3 = 1

512/1 = 512

b. What is the question here? the biggest cube you can make with 100

1x1x1 is a 4x4x4. You would have -412 cubes left after making an 8x8x8?