Select all the correct answers.
Jim writes down a large number. The number is 543 followed by 12 zeroes. How would Jim express this number in scientific notation?
5.43 × 1014
5.43 × 10-12
5.43E14
5.43 × 1012
5.43E10
5.43 × 1010
5.43E-12
5.43E12

What is the product of the radical expression. (7-2square root) (8+2 square root)

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary