Chapter 1 sig figs - assignment PDF

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Put your team member names and roles below. Have the scribe sit in the middle and write the good copy.

Significant Figures Worksheet Please show your work. Please use units. Answer the following questions to the correct number of significant digits. Show your work. Facilitators, please have all your team members take turns for each of the following questions. The team member should read the question out loud, and take the first stab at starting the answer. The scribe can either be directed to write, or copy from the other team members work. The communicator/quality control should try to keep the team on even keel, get help from teams, LAs, or the instructor, and maybe asked to present results. In 2017 the population of the United States was 325,700,000 the population of Ethiopia was 102,400,000 and the US national debt was $21,300,000,000,000. Assume all these numbers represent measurements, not integers. 1. What is each persons share of national debt if it is spread evenly amongst all US citizens?

2. If the good people of Ethiopia agreed to help share the United State’s debt, how much would be owed per person of the combined population?

3. If an angler catches a walleye in Mille Lacs, measures it, finds that it is 12 inches long, and then releases the fish, the number 12 has two significant digits. If the same angler says that there are 12 inches in a foot, the number 12 has an infinite number of significant digits. Explain this seeming contradiction.

Quality control, please check the first three answers, and gently remind your teammate to show the work and include units. After any corrections come to a group consensus of one strength for each team member. 4. Round 111 to two significant digits.

5. How many significant digits are in the number 1000?

6. Write 1000 in scientific notation.

7. How many significant digits are in the number 1000.0?

8. Write 1000.0 in scientific notation.

10. For the following equation explain why 2.29 x 10-27 is reported to three significant figures even though all the numbers on the left side of the equation have six. (1.00866  1.00728)  2.29 x 10-27 6.02205 x 10 23...