He started the day off with 8 dollars and ended his day with 83 dollars
Answer:
-4, 20, -100, 500, -2500
Step-by-step explanation:
use the formula ar^(n-1)
where a is the first term
r is the common ratio
n is the nth term
Answer: 11.8
Step-by-step explanation:
Answer:
Yes it should be in standard form.
Step-by-step explanation:
Step-by-step explanation:
a2=a1+1/2=-1
a3=a2+1/2=-1/2, then we have common difference 0.5
a9=a1+(n-1)d
a9=-3/2+(8)0.5=5/2