Posted by tracy on Tuesday, October 18, 2011 at 2:57pm.
evaluate and write the answer in scientific notation (4x10^5):(2.5x10^8)

algebra,math  PsyDAG, Wednesday, October 19, 2011 at 4:46am
Online "*" is used to indicated multiplication, because "x" is often confused with an unknown. "/" is used to indicate division rather than ":".
1.6 * 10^3