To determine whether a number is written in scientific notation what test can you apply to the first factor and what test can you apply to the second factor

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83