Exit 12-6: Quick Check
00:00
Hei has the element shown for his science experiment. How many kilograms of the material does he have?
(1,000 grams = 1 kilogram)
Copper
3.508 g
350.8 kilograms
35.08 kilograms
3.508 kilograms
0.3508 kilograms

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.