Is 29.6 = 29.600 true or false???

Given this information, which expression must represent the value of b?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?