Powers and Roots Practice Test 5

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Question : 15 of 31

Marks: +1, -0

Find x in:

(169)^3× 13 ÷(2,197)^2= (13)^ x .

3
1
-1
2
4

Solution:

(169)^3× 13 ÷(2,197)^2= (13)^ x

(13^2)^3× 13 ÷(13^3)^2= (13)^ x

(13 )^6× 13 ÷(13 )^6= (13)^ x

(13 )^{6 +1-6}= (13)^ x

⇒x=1

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