Geometry & Shapes (id: cc52431a2)

本题目来源于试卷: Geometry & Shapes，类别为 IB数学

[填空题]
The diameter of a sphericalfhkz. l8;bka8 3fx l6y;e-u tlobject is 3 $\times {10}^8\mathrm{cm}$ .
1. Write down the radius of the object.

The volume of the object can be expressed in the form $\pi (a\times {10}^k){\mathrm{cm}}^3$ where $1\le a<10$ and k$\in \mathbb{Z}$ .    $\times {10}^8$
2. Find the value of a and the value of k . a =    k =   

参考答案:
空格1: 1.5±2%  空格2: 4.5±2%  空格3: 24±2% 


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