Add the lengths 5.28 meters and 5.2 meters to find the sum. What is the proper way to write the answer suing significant digits and rounding?

What is impossible to do with a hypothesis

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude