The total weight of Nico's diamond is 564 ounces
<h3>
Weights</h3>
The weights of the diamond are given as:
5, 13, 12, 4, 9, 8, 15, 210, and 6 ounces
<h3>
Total weights</h3>
Start by calculating the total weights


The above sum represents the total weights of Jack's diamonds.
So, the total weights of Nico's diamond is calculated as:


Hence, the total weight of Nico's diamond is 564 ounces
Read more about sum and addition at:
brainly.com/question/4344214