1.

If (5^2)^7=(125)^x, find x​

Answer»

{( {(5)}^{2} )}^{7}  = {125}^{x}  \\  \\  {5}^{2 \times 7}  =  {5}^{3x}  \\  {5}^{14}  =  {5}^{3x}  \\  \\ 14 = 3x \\ x =  \frac{14}{3}



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