Multiplying and giving answer in correct sig fig

Question

2334* 1.020*21.2

 

I dont understand why the answer is 50 500

Answer 1

2334 · 1.020

2380.68

 

2380.68 · 21.2

50470.416

 

The issue is the number of significant digits.

The number with the least number of significant digits is 21.2, three significant digits.

So the product may have only has three significant digits.

50,470.416 is rounded to three significant digits, 50,500.