Standard Form Calculation

2 ones + 3 tenths + 9 thousandths in standard form

Final answer:

The standard form of '2 ones + 3 tenths + 9 thousandths' is 2.309.

Explanation:

The question is asking us to write the given numbers in standard form. Here is how we can do that:

Firstly, 2 ones can be written as 2.

Then, 3 tenths can be written as 0.3.

Finally, 9 thousandths can be written as 0.009.

Adding these all up gives us 2.309, which is the standard form of the given numbers.