Here's why:
* Spelling: The word "coat" has the vowel "o" followed by a consonant ("a") and then a silent "e" at the end. This pattern typically indicates a long vowel sound.
* Pronunciation: The vowel sound in "coat" is pronounced as a single, sustained sound, similar to the vowel in "boat" or "go".
Let me know if you'd like to explore more about vowel sounds!