A certain star is 19x102 light years from the Earth. One light year is about 5.9x102 miles. How far from the earth (in miles) is the star?
The star is miles from Earth.
(Use scientific notation. Use the multiplication symbol in the math paleme as needed.)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much