999 + (999/999) = 1000
1 ns (nanosecond) = 10-9s 1s / 10-9s = 109 109 = 1000 000 000 1 second = 1000 000 000 ns (nanosecond)
5
Nine of them
79
The GCF of 9s and 63s^3 is 9s.
10 times
Exactly 6 of them
24 of them with a remainder of 2
Eleven.
There are: 495/9 = 55
62.22 or 62 with a remainder of 2.