How many sig figs does the answer to the following calculation have?
1.90 + 2.3 +5.700 = ?*

The answer is 2 significant figures.

1.90+2.3+5.700=9.9

am i too late?

explanation:

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.