If the mass of a proton is 2.34 × 10–14 grams, what is the mass of 1,000 protons?

2.34 × 10–11 g

2.34 × 10–13 g

2.34 × 10–12 g

2.34 × 10–17 g

Is the figure congruent? yes or no?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1