23 x 20 x 30 = 13,800
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Multiplication (of positive integers) can be defined as repeated addition. Thus, 2 x 23, for example, is the same as 23 + 23, while 3 x 20 = 20 + 20 + 20. Thus, adding a number to itself is equivalent to multiplying it by 2.Multiplication (of positive integers) can be defined as repeated addition. Thus, 2 x 23, for example, is the same as 23 + 23, while 3 x 20 = 20 + 20 + 20. Thus, adding a number to itself is equivalent to multiplying it by 2.Multiplication (of positive integers) can be defined as repeated addition. Thus, 2 x 23, for example, is the same as 23 + 23, while 3 x 20 = 20 + 20 + 20. Thus, adding a number to itself is equivalent to multiplying it by 2.Multiplication (of positive integers) can be defined as repeated addition. Thus, 2 x 23, for example, is the same as 23 + 23, while 3 x 20 = 20 + 20 + 20. Thus, adding a number to itself is equivalent to multiplying it by 2.
20 x 30 = 600 square cm
20/30 = (2 x 10)/(3 x 10) = 2/3
Surface area = 2 x area_triangular_ends + areas_of_3_rectangular_faces Surface area = 2 x (15 x 20)/2 + 30 x 15 + 30 x 20 + 30 x 25 = 15 x 20 + 30 x (15 + 20 + 25) = 300 + 30 x 60 = 2100 in2
When multiplying with zeros you just remove the zeros and multiply the other digits then add the amount of zeros you removed to the answer. 30 x 20 = 3x2 =6 then add two decimal to the right with zeros. 600 30 x 20 = 600