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Scientific Notation and Significant Figures. Scientific Notation. When it says to write your answers in the form: Then it means put your answer in scientific notation!. where. Scientific Notation. 9 488 800 000 000 000 9.48 x 10 15 000 000 000 000 324 3.2 x 10 -13. - PowerPoint PPT Presentation
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Scientific Notation and Significant Figures
• When it says to write your answers in the form:
Then it means put your answer in scientific notation!
Scientific Notation
ka 10 Zka ,101where
Scientific Notation
• 9 488 800 000 000 000
• 9.48 x 1015
• 000 000 000 000 324
• 3.2 x 10-13
.
.
You Do #1 Write 345, 239, 235 in scientific
notationA. 3.45 X 107
B. 3.45 x 108
C. 34.5 x 107
D. 3.45 x 10-8
[Default][MC Any][MC All]
.000 000 71
A. 7.1 x 10-9
B. 7.1 x 10-7
C. 71 x 10-8
[Default][MC Any][MC All]
5432.6; answer all that apply
A. 5.43 x 101
B. 5.4 x 103
C. 5.43 x 103
[Default][MC Any][MC All]
.325 671
A. 32.6 x 10-2
B. 3.26 x 10-1
C. 3.26 x 101
[Default][MC Any][MC All]
2.5 x 10-4
.00025
0.0
3.24 x 108
324000000
0.0
Significant Figures
• 43 620
• .036821
6 is the third significant figure. Look at 4th figure it’s < 5, so don’t change the 6. Make everything else zeros
3 sig figs -- 43600
8 is the third significant figure because the 0 in front is a place holder. look at the next digit. It’s < 5, so leave the 8. Leave off all
other numbers
3 sig figs .0368
Significant Figures
• 10 076
• .203 513
0 is the third significant figure. The zeroes are significant, because it lies between two non-zero
digits. The digit behind the 0 is 5 or more, so round the 0 to a 1 and make all other places zeroes.
3 sig figs – 10 100
3 is the third significant figure. Look at the next digit. It is 5 or more, so round the 3 to a
4. Leave off all other numbers.
3 sig figs .204
Significant Figures
• 18.997
9 is the third significant figure. Look at the next digit. It is 5 or more, so round the 9 to a
0 and the 8 to a 9. Leave off all other numbers.
3 sig figs – 19.0
.008 6 [1]
.009
0.0
523 [1]
500
0.0
4.053 [3]
4.05
0.0
647 [2]
650
0.0
3081 [2]
3100
0.0