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Is it OK to write down all digits on your calculator?

Is it OK to write down all digits on your calculator?. 3.120 x 2.1 3120 6240 6.5520 6.6. After multiplying and dividing – Round answer to least number of significant digits Round to the weakest link. PHYSICS 105 Part 1. Is it OK to write down all digits on your calculator?.

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Is it OK to write down all digits on your calculator?

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  1. Is it OK to write down all digits on your calculator? 3.120 x 2.1 3120 6240 6.5520 6.6 After multiplying and dividing – Round answer to least number of significant digits Round to the weakest link PHYSICS 105 Part 1

  2. Is it OK to write down all digits on your calculator? 5143.601 + 0.02 5143.621 5143.62 After adding and subtracting – Round answer to first column containing an estimated digit Round to the weakest column PHYSICS 105 Part 1

  3. Problem Set #1 Sig Figs (1) 1492 x 200 x 0.2554 5004.50 + 25 + .021 (8.60 x 10.4)(9.23 x 106) 5.55 145 x 5000 7650 Sig Figs (4) Sig Figs (3) Sig Figs (2) Work these on your calculator and write down the answer. What is the answer using correct significant digits? Your calculator will not round to the correct number of significant digits. PHYSICS 105 Part 1

  4. Round to 2 significant digits • 190000 • 0.00035 • 300 • ??? • 187000 • 0.00035496 • 299 • 12.5 Rule of 5’s – when a number is exactly half way between two numbers, round to the even number. • 12.5 • 11.5 • 675000 • 0.00465 • 12.50000001 • 12.49999999 • 12 • 12 • 680000 • 0.0046 • 13 • 12 PHYSICS 105 Part 1

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