Answer:

Step-by-step explanation:

[we transposed]
I think thats it
I’m really sorry I’m not sure
(4.2*10^-1)*(5.7*10^-1) = (4.2*5.7)*(10^-1 * 10^1)
23.94*10^-2 = .2394
moving the decimal one place to the left is the same thing as dividing by 10 or multiplying by
1/10. 2.394*10^-1, that is the answer you're looking for, B
Answer:
3 Packs of 3 Rolls & 1 Pack of 1 Roles
Step-by-step explanation:
3 x 25.38 = 76.14
76.14 + 9.21 = $85.35
But if you do 2 packs of 5 rolls
42.85 x 2 = $85.70
SO THE TOP ANSWER IS CORRECT