If 5^a = 3125, then find the value of 5^(a - 3):

Surds and Indices Practice Test 2

Question : 1 of 17

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5^a = 3125

, then find the value of

5^(a - 3)

Solution:

5^a = 3125 ⇒ 5^a = 5^5 ⇒ a = 5

Now,

5^(a - 3)= 5^(5 - 3)=5^2=25

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