Answer:
4th is correct answer. 1, 2, 3 not correct you can check the exponents properties
46.2*(10-2)
10-2=8
46.2*8=369.6
Your answers listed doesnt follow along the order of pemdas. im not sure how those are the answers for that equation.
72cm
you multiply the outside length (6cm each) by how many there are
$69 ÷ 6 = 11.5 per DVD
11.5 × 4 = 46
15 times D= 300
the 15 is pages
D is pages per day
300 is amount of total pages