1 / 5

Three Significant Figures

Three Significant Figures. Three significant figures. If you approximate a number, what are the most significant 3 numbers that you can give . . (We’ll revise this at the end). E.g. 0.74341. 88572. Geogebra. Three Significant Figures. Points you’ve discovered:

talasi
Download Presentation

Three Significant Figures

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Three Significant Figures Three significant figures. If you approximate a number, what are the most significant 3 numbers that you can give. (We’ll revise this at the end) E.g. 0.74341 88572 Geogebra

  2. Three Significant Figures Points you’ve discovered: 1. Zeros at the start of the number do not count as significant figures. (E.g. 0.00231) 2. 3. 4.

  3. 18.0 18.1 3.98 0.921 15.4 0.823 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? Rounding Decimals to 3 s.f 0. 8 2 3 4 5 3.9 7 6 1 5. 3 6 1 Yes No Yes 0. 9 2 0 8 1 8 . 0 5 1 8 . 0 3 Yes Yes Yes

  4. 4890 900000 18.0 423 72500 0.400 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? 5 or bigger ? Rounding Decimals and Whole Numbers to 3 s.f 1 7 . 9 9 0. 3 9 9 8 4 2 3. 1 1 Yes Yes No 4 8 8 7 7 2 5 1 0 8 9 9 9 9 9 No Yes Yes

  5. Write these numbers to 3 significant figures: 3.2441 5.03698 0.84677 0.071233 19.03 0.29999 16.95 43227 1579800 143.2 196.5

More Related