Chemistry

Chemistry, 08.10.2019 21:40, Boondiddy9

Give the number of significant figures in this number: 7.8 x 10¹²

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Mathematics, 25.06.2019 16:40, xxaurorabluexx

Ne e d h e l p. 1. calculate the answer to the appropriate number of significant figures. 43.8316 - 29.5706. 2. perform the indicated operation. write the answer with the correct number of significant digits. 351 cm – 183.846 cm 3. what is the mean of the following numbers? give the answer in the correct number of significant figures. 0.2707 0.2713 0.472 0.3704 0.5715 4. what is the standard deviation of the following numbers? give the answer in the c orrect number of significant figures. 0.2707 0.2713 0.472 0.3704 0.5715

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Physics, 24.08.2019 22:10, krab38

Use your calculator to determine (√7) to the third power to three significant figures in two ways. (a) find √7 to four significant figures; then cube this number and round to three significant figures. (b) find √7 to three significant figures; then cube this number and round to three significant figures. which answer is more accurate? explain.

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Geography, 10.10.2019 19:00, coxtinam16

Question 1 how many significant figures are in the following number: 80008000 0.5 points question 2 how many significant figures are in the following number: 11. 0.5 points question 3 how many significant figures are in the following number: 0.3 0.5 points question 4 how many significant figures are in the following number: 800 0.5 points question 5 how many significant figures are in the following number: 0.00011 0.5 points question 6 how many significant figures are in the following number: 3 0.5 points question 7 how many significant figures are in the following number: 3.0 0.5 points question 8 how many significant figures are in the following number: 3. 0.5 points question 9 how many significant figures are in the following number: 11 0.5 points question 10 how many significant figures are in the following number: 3.3 0.5 points question 11 45211.30 written with 4 significant figures is: 45210 4521 45200 4520 45210. 0.5 points question 12 92,550,000.35 written with 2 significant figures is: 92,500,000.000 93 0.35 92 93,000,000 0.5 points question 13 79.87050 written with 2 significant figures is: 79.87 79.86 80. 79 80.00 79.00 0.5 points question 14 1520 written with 3 significant figures is: 152 1520 520 1520.000 0.00 0.5 points question 15 using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain only significant figures (no more and no less). write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation). 7 × 1900 0.5 points question 16 using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain only significant figures (no more and no less). write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation). 2obelus divided by 10 using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain only significant figures (no more and no less). write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation). 9.99 × 1.11 0.5 points using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain only significant figures (no more and no less). write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation). 3.333obelus divided by 10 0.5 points question 19 using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain only significant figures (no more and no less). write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation). 3.333obelus divided by 1000

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Give the number of significant figures in this number: 7.8 x 10¹²...

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