Question

question 1 (1 point)
four students measure the mass of an object, each using a different scale. they record their results as follows: a: 49.06g, b: 49g, c: 50g, d: 49.2g. which student used the most precise scale?
a
b
c
d

Explanation:

Step1: Understand precision

Precision refers to the number of decimal places. The more decimal places, the more precise the measurement.

Step2: Analyze each measurement

• Student A: \(49.06g\) has two decimal places.
• Student B: \(49g\) has no decimal places.
• Student C: \(50g\) has no decimal places.
• Student D: \(49.2g\) has one decimal place.

Answer:

A.