Answer:
3.75
Step-by-step explanation:
calculator because yes:)
1/5 and 3/5
Hope this helps!
Answer:
0.4 or 2/5
Step-by-step explanation:
Dana surveyed 20 students in total and out of those 20 only 8 got an A
so:
now if you simplify it
and if you simplify it again:
or 0.4 in decimal
Answer:
You need to sum at least 5000 terms
Step-by-step explanation:
Remember what the estimation theorem for alternating series says.
Given a series

An upper bound for the error of the series
is
so

For this case you want

is approximately 5000. So you must sum at least 5000 terms.