Round 374,839 to the nearest thousandth
2 answers:
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Answer:
(a) (b)
Step-by-step explanation:
GIVEN: Auditoriums are often designed so that are fewer seats per row for rows closer to the stage. Suppose you are sitting in row in an auditorium and notice that there are
seats in your row. It appears the row in front of you has
seats and the row behind you has
seats. Suppose this pattern continues throughout the auditorium.
TO FIND: a) How many seats are in the first row b) How many seats are in the row?
SOLUTION:
total seats in
total seats in
total seats in
as it clearly form an A.P. with
(a)
let total seat in first row be
as total seats in
total seats in first row are
(b)
total seats in be
total seats in row are