Solve for E
E=1
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E≔1
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E=\frac{9}{25}+\left(\frac{5}{4}\right)^{-2}
Calculate \frac{3}{5} to the power of 2 and get \frac{9}{25}.
E=\frac{9}{25}+\frac{16}{25}
Calculate \frac{5}{4} to the power of -2 and get \frac{16}{25}.
E=1
Add \frac{9}{25} and \frac{16}{25} to get 1.
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