Chapter 1 worksheet 1 and key 1 significant figures scientific notation and rounding 1 determine the number of significant figures in the following values. An example is as follows.
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If the decimal is.
Calculations with significant figures worksheet answer key. 22 8 ga 22 77 g 14 6 mb 14 62 m 9 31 lc 9 3052 l 87 6 cmd 87 55 cm 30 2 ge 30 25 g. 673 has 3 significant figures 6 7 and 3. Report the answers to the correct number of significant figures.
Value of sig. 51 10 3 0 01345 10 3 x 0 01345 74 4 52 155 234 x 0 789 154 2 x 0 120 132 8 x 0 0901 153 53 234 x 0 000123 234 x 0 999 234. For multiplication or division the rule is to count the number of significant figures in each number being multiplied or divided and then limit the significant figures in the answer to the lowest count.
246 32 5 sig figs 107 854 6 sig figs 100 3 4 sig figs 0 678 3 sig figs 1 008 4 sig figs 0 00340 3 sig figs 14 600 5 sig figs 0 0001 1 sig fig 700000 1 sig fig 350 670 6 sig figs. Figures 140 74 4 0 0041 3 70 x 1014 31 00 1 05 x 1012 1300 7 0400 x 103 847 040 2495. I 4 zeros in the beginning of a number whose only function 1 is to place the decimal point are not significant.
0 0025 has 2 significant figures 2 and 5 and 4 decimals. Significant figure calculations answers solve the following mathematical problems such that the answers have the correct number of significant figures. Indicate how many significant figures there are in each of the following measured values.
Round the following measurements to three significant figures. 1 8 20 2 2 13 59 23 25 20. Perform the following calculations and round according to the rule above.
0 0637 has 3 significant figures 6 3 and 7. 100 has 1 significant figure. The final answer limited to four significant figures is 4 094.
100 0 has 4 significant figures. 5 zeros following a decimal significant figure are significant. Significant figures answer key significant figures worksheet key 1.
0 000a has 3 significant figures. 73 has 2 significant figures 7 and 3. Significant figures worksheet key 1.
30 00 has 4 significant figures 3 0 0 and 0 and 2 decimals. 1 334 540 grams 198 9916 grams 533 532 g rounded from 533 5316 g 334 540grams 198 9916grams 533 5316 g. Express each answer to the correct number of significant figures and use the proper units.
The first digit dropped is 1 so we do not round up. 100 has 1 significant figure 1. Find the first non zero on the left then count all digits to the.
0 0025 has 2 significant figures. 40 0 ma 37 26 m 2 7 m 0 0015 m 2000 ml or 2 lb 256 3 ml 2 l 137 ml 151 mlc. 673 52 has 5 significant figures 6 3 7 5 and 2.
Practice problems for significant figures. 246 32 5 sig figs 107 854 6 sig figs 100 3 4 sig figs 0 678 3 sig figs 1 008 4 sig figs 0 00340 3 sig figs 14 600 5 sig figs 0 0001 1 sig fig 700000 1 sig fig 350 670 6 sig figs. Indicate how many significant figures there are in each of the following measured values.
Figures value of sig. Significant figures practice worksheet.
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