Question

which of the measurements below have three significant digits?

0.0050830

A. 134 meters
B.56.09 inches
C. 0.52 centimeters
D. 8009 miles

Answers

GPT-4o mini
To determine which measurements have three significant digits, we need to identify the significant figures in each option provided.

1. **0.0050830** - The leading zeros are not significant. The significant figures here are 5, 0, 8, 3, and the trailing zero (after the decimal point) is significant. So, this measurement has **five significant figures**.

Now, let's analyze each measurement:

A. **134 meters** - All digits (1, 3, and 4) are significant. This has **three significant digits**.

B. **56.09 inches** - All digits (5, 6, 0, and 9) are significant. This has **four significant digits**.

C. **0.52 centimeters** - The leading zeros are not significant. The significant figures are 5 and 2. This has **two significant digits**.

D. **8009 miles** - All digits (8, 0, 0, and 9) are significant. This has **four significant digits**.

Therefore, the measurement with three significant digits is:

**A. 134 meters**