Question

Unit digit of cube root of 493039

Answer 1

First we will find all factors under the cube root: 493039 has the cube factor of 6241.

Let's check this width ∛6241*1=∛493039. As you can see the radicals are not in their simplest form.

Now extract and take out the cube root ∛6241 * ∛1. Cube of ∛6241=79 which results into 79∛1

All radicals are now simplified. The radicand no longer has any cube factors.



 

Answer 2

3
because
3x3=9
hope it helps you