Before leaving the ground, the pilot fills the propane tank with 30 kg of liquid propane fuel. After flying the craft for half an hour, the pilot sees that the gauge on the fuel tank indicates only 15 kg of propane are inside. Which of the following
statements best explains this observation?

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In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.