How do you convert 5cm3 into mm3?

To convert 5 cm³ into mm³, you need to know that 1 cm is equal to 10 mm. Therefore, 1 cm³ is equal to (10^3) mm³, which is 1000 mm³. Multiplying 5 cm³ by 1000 gives you (5 \times 1000 = 5000) mm³. Thus, 5 cm³ is equal to 5000 mm³.