text: [{"text_idx": "#000002", "text": "1. Intro to General ChemistryMetric Prefixes"}, {"text_idx": "#000003", "text": "Express the quantity 254,998 m in each unit.\na. km b. Mm c. mm d. cm"}, {"text_idx": "#000004", "text": "Terms of usePrivacyCookiesDo not sell my personal informationAccessibilityPatent notice"}]