30. Divide 630 by 21.
5 x 21 = 105
21 x 2 = 42
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3 times 7 = 21 or 1 times 21 = 21
It would be 6 think about it
It is: 7 times 3 = 21
65443 times 21 is 1,374,303
21 times 6 is 126
You multiply 21 times itself three times: 21 x 21 x 21 = 9,261.
7 times 3 is 21.
Divide 42 by 2 to give you 21.
It is: 21 times 21 = 441