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 how can i put this problem in the calculator 25 X (128)^-1 (mod 109)

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how can i put this problem in the calculator 25 X (128)^-1 (mod 109)

 Jan 30, 2015

Best Answer 

 #2
avatar+118608 
+5

25 X (128)^-1 (mod 109)

 

mod(25*128^-1,109)

 

$$\left({\mathtt{25}}{\mathtt{\,\times\,}}{{\mathtt{128}}}^{-{\mathtt{1}}}\right) {mod} \left({\mathtt{109}}\right) = {\frac{{\mathtt{25}}}{{\mathtt{128}}}} = {\mathtt{0.195\: \!312\: \!5}}$$

 Jan 31, 2015

1+0 Answers

 #2
avatar+118608 
+5
Best Answer

25 X (128)^-1 (mod 109)

 

mod(25*128^-1,109)

 

$$\left({\mathtt{25}}{\mathtt{\,\times\,}}{{\mathtt{128}}}^{-{\mathtt{1}}}\right) {mod} \left({\mathtt{109}}\right) = {\frac{{\mathtt{25}}}{{\mathtt{128}}}} = {\mathtt{0.195\: \!312\: \!5}}$$

Melody Jan 31, 2015

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