Significant Digits

How many significant digits are there in the measurement of 60 s (seconds)?

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How many significant digits are in the measurement of 3.40 m (meters)?

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How many significant digits are in the measurement 0.0029 g (grams)?

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How many significant digits are in the measurement 6.02 x 10²³ atoms/mol (atoms in every mole)?

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How many significant digits are in the measurement 2013 km (kilometers)?

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How many significant digits are in the measurement 20.1 mL (milliliters)?

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How many significant digits are in the measurement 550 J (Joules)?

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How many significant digits are in the measurement 0.90 g/mL (grams every milliliter)?

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How many significant digits are in the measurement 1,000 yrs (years)?

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How many significant digits are in the measurement 3 x 10⁸ m/s (meters every second)?

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