How do you round 44.981 using three significant figures.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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