PLZ HELP ME
8.9 x 10 EXP -5

4.41 x 10 EXP -2

0.000009 in scientific notation

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.

Find the area of the triangle shown 3 by 6

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81