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Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next