题目内容
【题目】一个立方体的棱长是1.5×102 cm，用a×10n cm3(1≤a≤10，n为正整数)的形式表示这个立方体的体积为________cm3.
【答案】3.375×106
【解析】正方体的体积为：（1.5×10 2 ）3 =3.375×10 6 ．
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