SOLUTION: Hello, a while back, I had submitted this problem: simplify (5^2 3^2 7^1)^2 ___________ ___ 5^4 It was answered, but does not match any

SOLUTION: Hello, a while back, I had submitted this problem: simplify (5^2 3^2 7^1)^2 _________ _ 5^4 It was answered, but does not match any

Question 904506: Hello,
a while back, I had submitted this problem:
simplify (5^2 3^2 7^1)^2
_______________
5^4
It was answered, but does not match any of the choices below:
a) 63 b) 3,969 c) 3,556,224 d) 4,064,256
_________ _________
625 625
Answer by Kodimalar(1) (Show Source): You can put this solution on YOUR website!
The expression (5^2*3^2*7^1)^2/5^4 can be written as 5^4*3^4*7^2/5^4.
Cancelling 5^4 in the numerator and denominator, 3^4*7^2 = 81*49 = 3969
Answer: (b)
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