What was a surprise to astronomers when they carefully examined Neptune with the Hubble Space Telescope in 1994?

Jackson is teaching the decimal number system. he wants his students to know how to expand numbers by powers of 10. which is the correct order in which digits are assigned values in the decimal number system?

Which parts of a presentation should be the most general? a. introduction and conclusion b. introduction and outline c. outline and conclusion d. outline and body

Worth 50 points answer them bc i am not sure if i am wrong