Question

record the mass show on each balance. remember to include both the value on the beams and the unit of measurement. triple beam balance practice 1. 190.4g 2.

Explanation:

Step1: Identify values on beams

The top - beam value is 30 g, the middle - beam value is 100 g, and the bottom - beam value is 7.2 g.

Step2: Calculate total mass

Add the values together: $30 + 100+7.2=137.2$ g

Answer:

137.2 g