A 61.0-kg survivor of a cruise line disaster rests atop a block of styrofoam insulation, using it as a raft. the styrofoam has dimensions 2.00 m x 2.00 m x 0.0800 m. the bottom 0.026 m of the raft is submerged. calculate the numeric value for the buoyancy, b. (seawater has density 1025 kg/m³. enter answer to at least the ones digit.)