In which number does the digit 777 have a value that is 101010 times as great as the digit 777 in the number 0.9750.9750, point, 975?

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.

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

What is the ratio fraction form of 25: 9