计算:1/2ab²c·(-0.5ab)²·(-2bc²)³;(3×10的8次方)×(-4×10的4次方).
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计算:1/2ab²c·(-0.5ab)²·(-2bc²)³;(3×10的8次方)×(-4×10的4次方).
计算:1/2ab²c·(-0.5ab)²·(-2bc²)³;(3×10的8次方)×(-4×10的4次方).
计算:1/2ab²c·(-0.5ab)²·(-2bc²)³;(3×10的8次方)×(-4×10的4次方).
1/2ab²c·(-0.5ab)²·(-2bc²)³
=1/2ab²c·(0.25a²b^4)·(-8b³c^6)
=-a^3b^9c^7
(3×10的8次方)×(-4×10的4次方)
=-12×10^12