Double digit multiplication refers to the process of multiplying two numbers, each consisting of two digits.

The product of 12 and 12 is 144.

To multiply 17 by 44, you can use the standard algorithm: multiply 17 by 4 (which is 68), then multiply 17 by 40 (which is 680), and finally add the two products together (68 + 680 = 748).

The result of 23 multiplied by 25 is 575.

The square of 20 is 400, as 20 x 20 = 400.

The product of 19 and 25 is 475.

The distributive property states that a(b + c) = ab + ac, allowing you to break down complex multiplication into simpler parts.