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We will use the terms `` leading , '' `` trailing , '' and `` captive '' for the zeros and will consider how to deal with them . Starting with the first nonzero digit on the left , count this digit and all remaining digits to the right . This is the number of significant figures in the measurement unless the last digit is a trailing zero lying to the left of the decimal point . Captive zeros result from measurement and are therefore always significant . Leading zeros , however , are never significant - they merely tell us where the decimal point is located .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.