00:01
Of a multiple of 9, a multiple of 9 plus 1, or a multiple of 9 plus 8.
00:07
Check whether 3 ,300 is a perfect cube or not.
00:13
So, 3 ,300, we have to see if it's a multiple of 9 first.
00:22
So i'm going to divide it by 9.
00:25
So 9 goes into 32 the most 3 times, so minus 27.
00:29
And then it would be 33 minus 27 is 6, bringing the zero down.
00:41
9 goes into 60 the most 5, not 5 times, 6 times.
00:48
6 times 9 is 54.
00:52
Then that is 6 again, so bringing down the 0.
00:57
So 3 ,300 is not.
01:02
Because i'm going to get six again, then minus 54.
01:05
It's just going to be six, six, six, six, six, six, six...