Question

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​

Answer 1

Answer:

1.

${ - 1}^{2} - 5 \\ 1 - 5 \\ - 4$

2.

${4}^{3} \\ = 64$

3.

5869.6

4.

$\frac{1}{5}$