Question: How do I get the barometric pressure to the correct # of significant figures? Volume of hydrogen gas collected (mL) Volume of hydrogen gas collected

How do I get the barometric pressure to the correct # of significant figures?

How do I get the barometric pressure to the correct # of

Volume of hydrogen gas collected (mL) Volume of hydrogen gas collected (L) Pressure of hydrogen gas (mmHg) Pressure of hydrogen gas (atm)

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