Respuesta :

llamaplushi
2 x 9 = 18 and 5 x 9 = 45

with 2 x 9, you can make 2 rows of 9 dots for an array.

with 5 x 9, you can make 5 rows with 9 dots for an array.
well 2x9=18 and 5x9=45

2 rows of 9 dots and that will give 18 and 9 rows of 2 dots that will give you 18

5 rows of 9 dots and that will give 45 and 9 rows of 5 dots that will give you 45

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