Final answer:
To convert 680,000 cm³ to m³, divide by 1,000,000. The result is 0.68 m³.
Step-by-step explanation:
To convert from cubic centimeters (cm³) to cubic meters (m³), you need to divide the value by 1,000,000 because 1 m³ is equal to 1,000,000 cm³. In this case, to change 680,000 cm³ into m³, divide 680,000 by 1,000,000.
680,000 cm³ ÷ 1,000,000 = 0.68 m³
Learn more about converting cm³ to m³