Ayúdenme con esto porfavor y si se puede con proceso mejor.

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?