5
Six states have five or less letters in their name. Iowa, Ohio and Utah have four letters in their name. Idaho, Maine and Texas have five letters in their name.
10
47, all of them except Iowa, Ohio, and Utah. If you mean how many have exactly 5 letters in their names, then it is 3: Idaho, Maine, and Texas.
Colorado, Nebraska, Illinois, New Jersey, Kentucky, Missouri
3-Ohio,Iowa and Utah
Idaho, Maine, Texas.
There are three months of the year that contain 10 or more letters in their name: January, September, and November. Each of these months has exactly 10 letters.
Here's a way to do it. Write down the names of all the states. Then count the letters in each name and write them beside each name. You will then be able to see which ones have more than eight letters.
47, all of them except Iowa, Ohio, and Utah. If you mean how many have exactly 5 letters in their names, then it is 3: Idaho, Maine, and Texas.
They all have 3 letters, but "red" and "tan" have exactly 3 letters.
There are several states with 8 letters in the name. A few of the states are Missouri, Arkansas, and Michigan.