题目内容
已知112=121,53=125,则-11002和-0.53的值分别为( )
A.-1210000,0.0125 | B.+1210000,0.125 |
C.+1210000,-0.0125 | D.-1210000,-0.125 |
∵112=121,53=125,
∴-11002=-(11×100)2=-112×1002=-1210000;
-0.53=-0.13×53=-0.001×125=-0.125.
故选D.
∴-11002=-(11×100)2=-112×1002=-1210000;
-0.53=-0.13×53=-0.001×125=-0.125.
故选D.
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