$${ 7 }^{ 2 } \% { 7 }^{ 2 } \% { 5 }^{ 2 } \% { 7 }^{ 2 } \%$$
$\frac{117649}{4000000}=0.02941225$
$$\left(\frac{7^{2}}{100}\right)^{2}\times \frac{5^{2}}{100}\times \frac{7^{2}}{100}$$
$$\left(\frac{7^{2}}{100}\right)^{3}\times \frac{5^{2}}{100}$$
$$\left(\frac{49}{100}\right)^{3}\times \frac{5^{2}}{100}$$
$$\frac{117649}{1000000}\times \frac{5^{2}}{100}$$
$$\frac{117649}{1000000}\times \frac{25}{100}$$
$$\frac{117649}{1000000}\times \frac{1}{4}$$
$$\frac{117649\times 1}{1000000\times 4}$$
$$\frac{117649}{4000000}$$
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$\frac{7 ^ {6}}{2 ^ {8} \cdot 5 ^ {6}} = 0.02941225$
