Yes, a commerce student can study a STEM MBA in the USA, provided they meet the admission requirements of the particular university or business school offering the program. STEM MBA programs are designed for students who have a background in science, technology, engineering, or mathematics, but they are open to students from diverse academic backgrounds as well. However, some schools may require prerequisite courses in quantitative subjects, such as calculus, statistics, and economics. In addition, some STEM MBA programs may require students to have work experience in a STEM-related field. This is because these programs typically focus on developing business skills and knowledge that are relevant to the STEM industry. If you are interested in pursuing a STEM MBA in the USA as a commerce student, you should research the admission requirements of the programs you are interested in and ensure that you meet them. You may also want to consider taking some prerequisite courses or gaining work experience in a related field before applying.