70 x 9 = 630
9 of them.
5
There are 8 nines in 72. This can be calculated by dividing 72 by 9, which equals 8. In other words, 9 goes into 72 eight times without any remainder.
Nine of them
630 mm = 630/10 = 63 cm
630/7 = 90 so there are 90 7s in 630
The GCF of 9s and 63s^3 is 9s.
10 times
Exactly 6 of them
24 of them with a remainder of 2
Eleven.