Which expression can be used to find the product of 720? Question 2 options:

(7 x 2) x (3 x 5)

(8 x 9) x (2 x 5)

(9 x 7) x (2 x 5)

(9 x 8) x (3 x 5)

(8 x 9) x (2 x 5) is the correct answer.

Step-by-step explanation:

(8 x 9)= 72

(2 x 5)= 10

72 x 10 = 720

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.