Final answer:
To convert 150,000 kg to megagrams, divide the number of kilograms by 1,000, resulting in 150 Mg; therefore, the correct answer is A. 150 Mg.
Step-by-step explanation:
To convert 150,000 kilograms (kg) to megagrams (Mg), we use the fact that 1 megagram is equal to 1,000 kilograms (103 kg). Therefore:
- Divide the number of kilograms by 1,000.
- 150,000 kg ÷ 1,000 = 150 Mg.
Thus, 150,000 kilograms is equal to 150 megagrams (Mg), which makes the correct answer A. 150 Mg.