Find the height of mt. whitney in the table, round the height to the nearest thousands feet.

15000 feet Looking up the height of Mt. Whitney, you can see it's 14,505 feet tall. Rounding that number to the nearest multiple of 1000 requires you to look at the hundreds digit which is 5. And the rule for rounding is "5 or greater, round up, 4 or smaller, round down". Since it's 5, we round up, giving 15000 feet