Question

VA ROGG CAT MAI REPEDE ​

Answer 1

$(0.2) {}^{ - 2} \div 5 {}^{3} - 0.2 \\ \\ = \big(\frac{1}{5} \big) {}^{ {}^{ - 2} } \div 5 {}^{3} - \frac{1}{5} \\ \\ = 5 {}^{2} \div 5 {}^{3} - \frac{1}{5} \\ \\ = 5 {}^{-1} - \frac{1}{5} \\ \\ = \frac{1}{5} - \frac{1}{5} \\ \\ = 0$