How we shook the world of very large numbers
More or Less: Behind the Stats
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Are We Running Out of Letters?
Professor Richard Brown is head of metrology at the UK's National Physical Laboratory. He says R and Q are the only single letters available for use with these prefixes. The obvious thing to do would be to reintroduce double or compound prefixes, he adds. And if you want to get in contact please email us at bbc.co.uk.
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