Question

in each group, circle the word that is spelled correctly. refered, referred exponential, exponchul inferred, inffered

Explanation:

The correct spellings follow English language spelling rules. "Referred" is the past - tense and past - participle form of "refer", adding a double 'r' as the verb ends with a single vowel before a single consonant and is stressed on the last syllable. "Exponential" is the correct scientific and common term, while "exponchul" is a non - existent word. "Inferred" is the correct past - tense and past - participle form of "infer", following the normal verb conjugation rules.

Answer:

referred, exponential, inferred