1.

Unit digit of cube root of 493039

Answer»

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.


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