What is 6,4 rounded to the nearest whole number

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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?

Write the equation in logarithmic form e^x=403.429