Kelli and her husband Reese are on their way to Disney World. Their plane is going to be traveling 190 miles west at 100 miles per hour. What is the velocity of their plane? Its science it just it didn't let me put it as science

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.