Use words, fractions, equivalent decimals, or other representation to write at least three names for each decimal for 0.550

Well, you could write it out in long-form, take away an extra digit that it doesn't need, and then write it as a fraction. Hope this helps!

The way I found that helps is that you can take away the zero at the end of the decimal (if their is one)

You can also write it in word form or add and extra zero to the end of it,
Then the last way is you could is you write the decimal in expanded form, hope this helps!

I need to write it in expanded form

Sure! To find three names for the decimal 0.550, we can use words, fractions, and equivalent decimals:

1. Words:
- Five hundred fifty thousandths
- Zero and five hundred fifty thousandths
- Point five five zero

2. Fraction:
- 550/1000
- 11/20 (reduced fraction)
- 275/500 (simplified fraction)

3. Equivalent decimals:
- 0.550 (original decimal)
- 0.55 (rounded to the hundredth place)
- 0.5500 (padded with zeros to show precision)

By using these representations, we can convey the value of 0.550 in various forms to better understand and communicate the decimal.

https://www.themathpage.com/Arith/decimals.htm

Scroll down and read and study the explanation and graphics under
3. Which numbers are the decimal units?
and
5. Which decimal unit is at each decimal place?