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Ecellegecor How long 3.8.19 1 1 swimtning pool 1 1 1 1 Homework: 2018 30m ~MAT } 2 3 1 8 1 W 07 Due 1 3329 entn 1 Homework 1 DMGn 1 compisie 1Enler 3 1 in [nc answe...

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Ecellegecor How long 3.8.19 1 1 swimtning pool 1 1 1 1 Homework: 2018 30m ~MAT } 2 3 1 8 1 W 07 Due 1 3329 entn 1 Homework 1 DMGn 1 compisie 1Enler 3 1 in [nc answei 8 8 [neh cllck 8 Answer1 1 "isiswal ; 81 11 1 6 1218 1 1

ecellegecor How long 3.8.19 1 1 swimtning pool 1 1 1 1 Homework: 2018 30m ~MAT } 2 3 1 8 1 W 07 Due 1 3329 entn 1 Homework 1 DMGn 1 compisie 1 Enler 3 1 in [nc answei 8 8 [neh cllck 8 Answer 1 1 "isiswal ; 8 1 1 1 1 6 1218 1 1



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$\mathrm{A} 20-\mathrm{ft}-\mathrm{by}-30-\mathrm{ft}$swimming pool is filled with water. The depth is measured at 5 -foot intervals, starting at one corner of the pool, and the values are recorded in the table. Estimate the volume of water in the pool.
$$\begin{array}{|c|c|c|c|c|c|c|c|}\hline & {0} & {5} & {10} & {15} & {20} & {25} & {30} \\ \hline 0 & {2} & {3} & {4} & {6} & {7} & {8} & {8} \\ {5} & {2} & {3} & {4} & {7} & {8} & {10} & {8} \\ {10} & {2} & {4} & {6} & {8} & {10} & {12} & {10} \\ {15} & {2} & {3} & {4} & {5} & {6} & {8} & {7} \\ {20} & {2} & {2} & {2} & {2} & {3} & {4} & {4} \\ \hline\end{array}$$

Well, everyone, this is Ricky. And today we're gonna work on problems 79 from chapter one. Um and so we're being told that a 50 trillion Angstrom run is what chemist do for fun. And archaeologists have an equivalent which is a 10,900 cubic run. And we have to translate I How long? One Cuba is in meters and feet. Well, so first thing that we should note is one. Angstrom is equal to one times 10. Chief negatives. One times 10 to the negative meters. And so 50 trillion is 50 times 10 to the 12th and extremes. We want to convert extremes two meters. So you do one times 10 to 10 meters over one angstrom. Our actions canceled. You get 5000 meters. Now we convert meters, two Cubans or we have an equivalency, that there's 10,900 cubits in 5000 meters. That means one cubit is equal to 0.45 meters. And I just did this by dividing by 10,900 on each side. And so, you know, this is part one of our answer and then one meter is proportional to 3.28 feet. So 3.28 on spoon for five we get 1476 feet is how long you keep it. This so hope this video was helpful seeing the next one.

So I'm going to write down the quantities one times 10 to the sixth volts. Two times, 10 to the negative. Six power meters. Six times 10 to the third power days. That's a little unusual. Um, 18 times 10 to the second power of bucks. What in the world and e eight times 10 to the negative ninth power pieces. Okay, these air a little unusual. Um, mega is time center, the six power. So this is going to be mega Valls. One mega volt. This is gonna be too 10 to the negative six. Power is micro. Meters tend to the third power is kill. Oh, so that would be six killer days. Tend to the second power is hacked. Oh, so that would be 18. Hack dough bucks and tend to the negative ninth power. So let's think about this again. Ah, Desa Centam. Mila Millicent, that is is is negative. Three micro is negative. Six nano is negative. Nine. So that would be eight nano pieces

Can this problem were given a table that shows the depth of a pool at certain places in the pool. So in the first, um, square that we've made here, the depth is too. And the next squares 34 etcetera. Can. The question is to find the volume of the pool. And remember these air just rectangles that I have made here sort of find the volume of a rectangle. You just multiply the length times the width, times the depth here in this one. So the volume of the first rectangle rectangular, rectangular prism would be, um, the length, which is from zero out here to five. So five the width, which is from 0 to 5 times to depth, which is too. So that makes 50 there. And then in the second one, it's gonna be five times five times three. And that's gonna be 75 etcetera. So why don't we just do this? Volume will be the length of each rectangle. Rectangular prisoners, five. The width of each rectangular prism is five. And then, if we add up all the depths two plus three plus dot, dot, dot plus four, that will be our estimate for the width here. Okay. So 2468 10 36 10 15 for 10 2022 13 23 28 15 25 31 34 18 30 38 42 16 26 30 37. I don't know why I didn't write him in a column. Maybe I'll just keep doing this. So 25 50 um, 76 37. So 75 76. 11 14 15 37 81 88. So five times. Five times 1 88. So 188 times. 25 04449061 71 3. So our estimate is gonna be 40. 700 cubic. Seen is the volume okay? If I would have had a calculator, that might have been faster. Easier way to add those up. Maybe 4700 cubic feet.

So this problem would like us to state the following values in terms of the prefixes provided in table four of your book s O. We're going to go ahead and do that for part A, B, C, D and E. I went ahead and wrote the original values here in red. Oh, this is bolts. And then we're gonna go ahead and write the solutions in black. So party, starting with part a so part, says 1.6 times 10 to the six volts will, according to table for 10 to the sixth has the prefix of mega or capital M. So we can write this as 1.6 times 10 to the six niggles. Okay, so then for part B, it says we have to times 10 to the minus six meters while according to table for 10 to the minus six has values of micro. So this is equal to two micro meters Micro can be written as mu and the meters is him to micro meters. Okay, Parsi is six times 10 to the third days. Well, 10 to the third has the prefix of kilo. So this can be written as six kilo days. Kilo has abbreviation kay e wh I s all right. Part de parte de states that we have 18 times 10 to the two bucks. Well, we can go ahead and move that decimal place over one to the left and right, this as 1.8 times 10 to the three bucks. But as we previously stated tend to the three is kilo. So 1.8 times tended, the three bucks is equal to 1.8 huell buck. Okay, I'm gonna go ahead and boxing all the solutions for all of these just so we can distinguish them. And then for party, we have eight times 10 to the minus eight seconds. Well, if we go ahead and move that decimal place over one to the right, we can write this as eight times 10 to the minus nine seconds. I'm sorry. Not 8 80 80 times 10 to the minus nine. Because we move that decimal place over, not from one to the right, this direction. Okay, so this can be re written as 80 times 10 to the minus nine seconds. Well, according to table four, 10 to the minus nine has the prefix of man oak. So this can be written as 80 nanoseconds. Yeah, go ahead and box that in a czar solution apart E.


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