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If 5a=31255^a = 3125, then the value of 5(a3)5^{(a - 3)} is:

A1625

B625

C25

D125

Answer:

C. 25

Read Explanation:

5a=31255^a = 3125

5a=555^a=5^5

a=5a=5

5a3=553=525^{a-3}=5^{5-3}=5^2

=25=25


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