Giving 15 points for this I need to write a sentence about what I learned but I wasn't paying attention, please help I am so behind on all of my work. The lesson was about Unit Conversions. I just need a sentence about what I learned in the lesson about Unit Conversions, please help. :(

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

How do you write something in scientific notation?