Answer:
48
Step-by-step explanation:
multiples of 6: 6 12 18 24 30 36 42 48 54 60
multiples of 16: 16 32 48 64
lowest one is 48
7n^3 + 6
(4 + 2n^3) + (5n^3 + 2) =
= 2n^3 + 5n^3 + 4 + 2
= 7n^3 + 6