Question

1. you are determining the mass of an object using a triple beam balance. when the pointer is lined up with the zero mark, the riders show values of 300 grams, 20 grams, and 8.10 grams. what is the mass of the object?

272.10 grams
328.10 grams
439.10 grams
48000 grams

Explanation:

Step1: Add the values of the riders

$$300 + 20+8.10$$

Step2: Calculate the sum

$$300+20 = 320$$
$$320+8.10=328.10$$

Answer:

328.10 grams