Answer :
Step-by-step explanation:
arithmetic:
common difference:
[tex] \frac{ - 10 - ( - 6250)}{4} = 1560[/tex]
sequence is:
-6250,-4690,-3130,-1570,-10
geometric:
common difference:
[tex] \sqrt[4]{ \frac{ - 10}{ - 6250} } = \frac{1}{5} [/tex]
sequence is:
-6250,-1250,-250,-50,-10