The North American record for highest recorded barometric pressure is 31.85in Hg , set in 1989 in Northway, Alaska. 1. Convert this pressure to millimeters of mercury (using 4 significant figures) 2. convert this pressure to atmospheres (using 4 significant figures) 3. convert this pressure to torr (using 4 significant figures) 4.convert this pressure to kilopascals (using 4 significant figures)