Cách làm cho bạn:
Ta có:
$(3,5)^{2}=(\frac{7}{2})^{2}=\frac{49}{4}$
$(-0,12)^{2}=(-\frac{12}{100})^{2}=\frac{144}{10000}=0,0144$
$(1,5)^{4}=(\frac{15}{10})^{4}=\frac{50625}{10000}=5,0625$
$(-0,1)^{5}=(-\frac{1}{10})^{5}=\frac{-1}{100000}=-0,00001$
$(1,2)^{6}=(\frac{12}{10})^{6}=\frac{2985984}{1000000}=2,985984$
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