Answer: See explanation
Step-by-step explanation:
Your question is my really clear but I guess you want to know the cube of 4 and 7. To get the cube of a particular number, you have to multiply the number by itself thrice. Therefore,
a. Cube of 4 = 4 × 4 × 4
= 64
b. Cube of 7 = 7 × 7 × 7
= 343