I think I’d B help this helps
If each shelf is to contain exactly 3 new CDs and there are only 5 shelves, only 15 can be placed in the rack. So, the answer to the second question is no. The same goes for the first question as placing 3 or fewer CDs to the shelves will make the rack insufficient for the CDs.
Round 31.9 up to 32 so you can divide it by 4 to get about 8.
Answer: No
Step-by-step explanation: If you mean 3^-2 it would be 0.111111111 repeating. 3^2 is 9 not -2
A_n= a₁ rⁿ⁻¹
a₁ is the first term
r= common ratio
a_n=2(2)²⁰⁻¹= 1048576
