Twelve less than the cube of the sum of six times a number and three.

- 12

Step-by-step explanation:

Twelve less than the cube of the sum of six times a number and three.

1. Change the words into numbers and math symbols.

Twelve = 12

Less than = subtract -

sum of six times a number and three = (6 * n + 3)

cube = exponent 3

2. Write the problem.

- 12

Step-by-step explanation:

Your work is correct, but you need to round.  x and y have 2 significant figures, so round your final answer to 2 significant figures:

2.4×10⁶