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Using in calculations

Using in calculations. For multiplication and division. Your answer can not be more accurate than the least accurate measurement. Your answer MUST have the same number of sig figs as the least number of sig figs. Rounding Numbers. Five or more round up. Examples. 135 x 32 = 4320.

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Using in calculations

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  1. Using in calculations

  2. Formultiplicationand division.

  3. Your answer can not be more accurate than the least accurate measurement.

  4. Your answer MUST have the same number of sig figs as the least number of sig figs.

  5. Rounding Numbers Five or more round up.

  6. Examples

  7. 135 x 32 = 4320 3 S.F. 2 S.F. 2 S.F. Answer must be 4300 it has 2 sig figs.

  8. 610 x 6.20 = 3782 2 S.F. 3 S.F. 3800 What is the correct answer?

  9. Foraddition and subtraction

  10. Your answer can not contain more decimal points than the least accurate measurement.

  11. Line up the decimal points in the numbers. 2.515 + 1.3 +12.00 =????

  12. 2.515 1.3 + 12.00 15.815 Answer stops here

  13. Scientific notation

  14. Any number written correctly in Sci. Not. before the times sign must be a SIG FIG.

  15. Examples 3.50 x 1023 3 S.F. 5.0 x 10 -4 2 S.F. 1 S.F. 3 x 10-4

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