What is the mass of 75000 oxygen molecules? Express your answer in scientific notation. Mass of one molecule of oxygen= 5.3 x 10^-23 gram.

The mass of 75,000 molecules of oxygen is __?__ grams.
(USE SCIENTIFIC NOTATION)

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

Which of these rose during the great depression?

Read these lines from "o captain! my captain! ". o the bleeding drops of red, where on the deck my captain lies, fallen cold and dead. how does whitman use the extended metaphor to refer to lincoln’s death? a. whitman compares lincoln’s death to what the death for all the soldiers was like. b. whitman compares lincoln’s death to the loss of one of the army generals. c.whitman compares lincoln’s death to the loss of losing a family member in the war. d. whitman compares lincoln’s tragic death to a captain lying dead on the deck of his ship.