Question

Find the cube-root of 2.744

Answer 1

2.744

= `root(3)(2744/1000)`

2	2744
2	1372
2	686
7	343
7	49
7	7
	1

 

 

 

 

 

 

 

`= root(3)((2 xx 2 xx 2 xx 7 xx 7 xx 7)/(10 xx 10 xx 10)`

= `(2 xx 7)/(10)`

= `(14)/(10)`

= 1.4