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Volume of cylinder with a radius of 8cm and height of 25 cm

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?