1. Find the value of x2-5,at x= -1.
2. Find the volume of the cube whose one side is 4cm.
3. Express 5.8 x 1012 in usual

1. Find the value of x2-5,at x= -1.
2. Find the volume of the cube whose one side is 4cm.
3. Express 5.8 x 1012 in usual form.
4. The multiplicative inverse of 5′ is​

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