How much will my 84% class grade be affected by a 60% test grade?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.