Which shows the expressions in the order they would appear on a number line from least to greatest? a 2 to the power of 3, square root of 5, square root of 20, square root of 11, 11 over 9 b 2 to the power of 3, square root of 11, 11 over 9, square root of 20, square root of 11 c 11 over 9, square root of 5, square root of 11, square root of 20, 2 to the power of 3 d 11 over 9, 2 to the power of 3, square root of 5, square root of 20, square root of 11

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.