Round 23421 to the nearest thousand and ten thousand

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Simplify the following expression 48^1/2