For every row of objects in an array there are 2 columns.the total number of objects in the array is 18.how many rows and columns does the array have?

Total number of elements in an array = the number of rows * number of columns

Let number of rows be = x

As given, there are 2 columns and 18 objects so number of rows will be

x =

Hence, there are 9 rows and 2 columns.

first split into 2 and 200 then split 200 into 10 and 20 the ten do 2 and 5 and 4 and 5 then 4 2 and 2 so your prime factorization is 2 2 2 2 5 5