That's an incorrect musical term.
496 is the third perfect number and 8128 is the fourth perfect number.
The third person, present perfect tense of see is have seen.
One perfect square times another perfect square does produce a third perfect square.
Chains of Reaction is the name of the third book in the Perfect Chemistry series.
The third book is called: Chains of Reaction
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Has is the third person singular conjugation of have.The present perfect tense of have is: I/You/We/They have hadHe/She/It has had
The third person singular conjugation of the verb "write" in the present perfect tense is "has written."
The correct singular third person conjugation of the verb "to be" in the future perfect tense is "will have been."
Present Perfect Tense: I have; You have; he, she, it has; we have, you have, they have Past Perfect Tense: I had; you had; he, she, it had; we had; you had; they had Future Perfect Tense: I shall have; you will have; he, she, it will have; we shall have; you will have; they will have Note: has is used in the third person, singular present perfect tense.
Perfect Scoundrels.
-- major third-- minor third-- perfect fifth