1. Below are the given measurements. Convert it as indicated. (a) 365 days into min (b) 94.3 MHz into kHz (c) 450 cm² into km² (d) 72 nm into mm (e) 130 mi/h into km/s (f) 40.0 L to µl (g) 5 µl to mL

2. Significant Figures (a) Express the numbers listed in Data Table 3 to three significant figures, writing the numbers in the first column in normal notation and the numbers in the second column in powers of 10 (scientific) notation. 25 Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. EXPERIMENT 2 Experimental Uncertainty (Error) and Data Analysis DATA TABLE 3 Purpose: To practice expressing significant figures. 0.524 15.08 1444 0.0254 83,909 5280 0.060 82.453 0.00010 (continued) 2,700,000,000 Laboratory Report

Q.5. What could be the possible reasons for errors in measurements?

Given the equation A =%- where b =17.4+0.1s and e=12.7±0.5s What is the absolute uncertainty in A? Select one: O a. 11.2+0.3s O b. 11.2±0.2 O c. 11.2+0.6 O d. 11.2±0.5s