This math topic focuses on identifying the abbreviations for metric prefixes that represent very small units. The metric prefixes covered include the base unit (no prefix), pico, milli, nano, and micro. Each question presents a prefix and asks learners to select the corresponding abbreviation from multiple choices. The options for answers include 'm' for milli, 'p' for pico, 'n' for nano, 'µ' for micro, and symbols representing none or incorrect choices. This is part of a larger unit concentrating on metric units and measurement practices.
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What is the abbreviation for this prefix?
nano