Algebra 2 problem:
how does an earthquake of magnitude 7.9 compare in intensity with an earthquake of magnitude of 3.7 on the richter scale?
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Arandom number generator is used to model the patterns of animals in the wild this type of study is called

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?