Name: att'd prelab lab total Exercise 1 Measurements and Conversion Factors Prelab Questions 1. What are the units of length, volume, mass, and temperature that we will work with in the lab this semester? 2. Labet each as an exact or measured number 5 apples 1.2 cm 72 "C 160 miles 16 people 91.2 kg 3. How is the last digit of any measured number found? 4. How many significant figures are in each of the following numbers? 521 1010 3600 0.00204 100 21.50 5. What are the rules for reporting a calculator answer when multiplication or division is involved? 6. What are the rules for reporting a calculator answer when addition or subtraction is involved? CHM 130A Exercise 1 - Measurements and Conversion Factors