Question

Find n so that (4/5)³×(4/5)-6 = (4/5)²n-1

Answer 1

Here is your answer :
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Answer 2

Answer:

Step-by-step explanation:

(4/5)³×(4/5)-6 = (4/5)²n-1

(4/5)⁴ -6 = (4/5)²n-1

(4/5)⁴ -6 / (4/5)² = n-1

(4/5)² - 6 = n-1

(4/5)²-6+1 = n

16/25 -5 = n

(16-125) /25 = n

Therefore n= -109 /25