Final answer:
The decimal form of four hundred forty and two thousandths is 440.002.
Step-by-step explanation:
To convert four hundred forty and two thousandths into decimal form, we need to understand place value. The number 440 has three digits and its place value is determined by its position - the first digit is in the hundreds place, the second digit is in the tens place, and the third digit is in the ones place. The decimal part of the number is represented by the digits after the decimal point. In this case, the two is in the thousandths place. So the decimal form of four hundred forty and two thousandths is 440.002.