The volume of a ball was measured at 500. 0 cm3, and its mass was measured to be 404. 2 g. What would be the most accurate calculation of density for the ball? round to the nearest ten thousandths. G/cm3.

May someone explain how to do this question?

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant