Answer:
5.33
Explanation:
The n th term of a geometric series is
= a

where a is the first term and r the common ratio
4
← is the n th term of a geometric series
with a = 4 and r =

The sum to n terms of a geometric series is
=
, thus
=

=

=
(
)
=
× 0.9999....
= 5.33 ( to the nearest hundredth )