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Answer:</h2><h2>There are 420 distinguishable ways of arranging the word "peppers"</h2>
Step-by-step explanation:
The given word is "PEPPERS"
The total number of letters in the word, n = 7
The letters which are repetative are P and S
The number of times P repeats, a = 3
The number of times S repeats, b = 2
By formula, 
Substitue the values in the formula,
= 
= 420