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Identify each of the following as measured or exact and give the number of significant figures in each measured number. (1 point each) The mass of a neonate is 607 ...

Question

Identify each of the following as measured or exact and give the number of significant figures in each measured number. (1 point each) The mass of a neonate is 607 kg: The Daily Value for iodine in an infant 130 mcg: There are 4.02x108 red blood cells in a blood sample_In November 23, babies were born in a hospital.

Identify each of the following as measured or exact and give the number of significant figures in each measured number. (1 point each) The mass of a neonate is 607 kg: The Daily Value for iodine in an infant 130 mcg: There are 4.02x108 red blood cells in a blood sample_ In November 23, babies were born in a hospital.



Answers

Identify each of the following as measured or exact and give the number of significant figures (SFs) in each measured number: a. The mass of a neonate is $1.607 \mathrm{~kg}$. b. The Daily Value (DV) for iodine for an infant is $130 \mathrm{mcg}$. c. There are $4.02 \times 10^{6}$ red blood cells in a blood sample. d. In November, 23 babies were born in a hospital.

Yeah. Okay. This question asked us to identify this as exact or measured and the number of significant figures. So we have an adult has a temperature of one oh 3.5. For the first one it's a temperature so it is measured. You have 103.5. As our temperature, we have any number greater than zero is significant. So that gives us three. This zero is called a captive zero. It's between two whole numbers. Therefore it is also significant. So we have four significant figures here for B. We have A blister pack and it has 21 tablets in it. This is exact. In this case you don't have any um like half tablets or anything like that. Um there are exactly 21 tablets in that pack. Um So it has an infinite number of significant figures. Um That's an infinity sign. Or you can just put infinite. Now we have c. Um we have a nerve impulse and it takes .46 seconds. Again, that's measured. That's a time. So 0.46 Whole numbers are significant. This leading zero. Um It's not significant. So we have two significant figures here. You have deed And then we have the brain contains 1.20 times 10 neurons. Yes, I think. Yeah. And finally we have the brain with the neurons. And then this is also a measure number. We have 1.20 Arms, 10 to the 10. Again, non zeros are always significant. So we have to we have a trailing zero here. Behind a decimal. It's important that is behind the decimal. If it was not behind the decimal it would not be significant in this case. It is. So we have three significant figures. Yeah.

In this problem, we have to determine the number off significant figures in each of the given measurement. To do this, we will need toe first revise our understanding off significant figures. All non deal dictates are significant, so the goal will be to determine Richard. The zeros is significant. We understand that zeros are significant if the appear between non zero digits are if they appear after a non zero. Dejected in a number that contains a decimal point, zeros may or may not be significant if the appear to the right off the last non zero digit in a number that does not contain a decimal point. Using these principles, let us define the number off significant figures for each other. MSM INS given it from the first MSM in in support A is 0.6 leaders. Now all the zeros in this are insignificant and therefore there is one significant figure in this measurement. In part B, the number is 0.605 The 10 between six and five is significant here, and therefore there are three significant figures in part. C 60.5 mg is the MSM in now this 10 between six and five, which is significant. Therefore again, there are three significant figures in this MSM in in some party the memories 605.5 centimeter square Here. Also there is a zero between two non zero digits six and five. So in total there are four significant figures in support. E. The number given is 9.60 into 10 to part three. This fund is expressed in scientific notation. Therefore, it has three as intended scientific figures, which is 9.60 and therefore there are three significant figures in subpart f. The MSM in given is six kg. This is one significant figure in subpart G six emitter is the MSM. In Given, it can have one or two significant figures as it is not eaten in scientific notation and therefore we don't know the intended scientific figures

Hi everyone. So in this question they asked. Right. Equality to conversion factor identify the number is exercise. Are you to a number of significant figures for each of the forming software. Right? First serial number. Next a quality Next two conversion factors. Conversion factors. The next yeah. Number of significant figures and lashed. Well we're going to exact numbers so you remember he dimension then milligram off Furosemide. four of 1. Amen furosemide. Right? Therefore equalities one ml is equal to 10 mg furosemide here at all. Semite. And therefore to conversion factors are 10 mg. This thing yeah. Faroese tonight funeral some might yeah. Before divided by one man man and one year maybe you're already by 10 mg of furosemide. Number of significant figures are number of significant figures are in this case is only one because there is no reasonable then. Excite number. Okay it's one and milk exact number is one name May. This is the people. Oh The exact number eight my name. Man. Like bees. Yes. Mhm. This The daily value for Selena means 70 m. c. c. So Equality is one day. Yeah. What you see quality seven p.m. c. c. All you can say Sulaimania Fc. And therefore. Yeah two conversion factors are well seven p.m. c. c. of selenium divided by one day and one day Divided by 70. m. c. of selenium. Number of significant figures is one and No one day is exactly man. Again to see one hour is equal to 85 year mel. What number is equality did you fight and melt of saline? It's the line and therefore to conversion factors are 50 firemen sell line wow Divided by one a where and when a work derided by a fight and man okay cell line. So a number of significant figures are too two. And what now what is the exact, I wonder what we'll stay to stay bang B actually. Okay, one cap shoes. Clearly this Okay, one cap shoe is Equality 3 60 mg of You're going to get that mom. Okay. Omega 35 PSC. And therefore to converge in fighters 2016 milligram. Omega 3 50 a seal be murdered by one capture. Absolutely. And one cap shoe. Do you want to buy? 3 60 mg of right three omega 35 P. S. S. A number of significant figures in this case. They are too. And yeah. Oh one capsule is excite oh one cap. Sure it is excitement.

Determine the accuracy of 20,000 £570.. So we need to look at the significant figures. So you want to put your number in scientific notation so there's a decimal at the end. We can move this over So this is 2000 57 Times 10 to the first power pounds. So now there are or significant digit. So you always want to put your value into scientific notation. So scientific notation is usually only One whole number, so 2.05, 7 Times 10 to the 4th lb. So they're equivalent, there are four significant figures, so the accuracy is for.


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