Thanks for posting. Your 710 score is a strong GMAT score. Our recommendation if that if you believe you can improve your score by 30 or more points, then you may want to consider taking the test again. With the GMAT, it's important to remember that your highest score is self-reported on your application. For this reason, admissions teams will focus on your best score. There is no harm in taking the exam again.
If you'd like, we have free GMAT advice here: http://www.stacyblackman.com/test-prep-hub/
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