The si unit for energy is the joule (j). sam wants to convert 338.25 j into kj. which operation should he choose? he should multiply 338.25 by 10. he should multiply 338.25 by 100. he should divide 338.25 by 100. he should divide 338.25 by 1000

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.