Engineering notation is a version of scientific notation that uses powers of 10 that can be divisible by 3 such as 10^3, 10^6, 10^9, and 10^12.Numbers expressed in engineering notation are always stated in thousands, millions, billions, trillions and so on.

Apr 18, 2013 · The prices (in dollars) for a graphing calculator are shown below for 8 online vendors. Estimate the true mean price for this particular calculator with 95% confidence (137,129,158,146,143,154,123,137)