iic1 define the basic units of measurement used in a metric system b household system 70298

Name: iic1 define the basic units of measurement used in a metric system b household system 70298
Uploaded: 2023-04-02T18:35:17-08:00
Duration: 5 min 13 s
Channel: Jennifer Hudspeth
Description: iic1 define the basic units of measurement used in a metric system b household system 70298

Step 1: The metric system is a decimal system of measurement based on the meter, liter, and gram

Iic1 define the basic units of measurement used in a metric...

Transcript

00:02 Hi there.

00:03 In this question, we have four conversions to complete.

00:07 So we will use dimensional analysis to set these up.

00:10 So in letter a, we have 1 .65 kilometers.

00:14 And our goal is to convert this to meters.

00:17 So we need an equality between kilometers and meters.

00:21 Well, in one kilometer, there are 1 ,000 meters, because the prefix kilo means 10 to the third.

00:30 So it takes 1 ,000 meters to equal 1 kilometer.

00:35 With kilometer in the denominator, that cancels.

00:38 And calculating our answer gives us 1 ,650 meters.

00:49 All right, for letter b, we're trying to convert from milligrams to kilograms.

00:55 So we have 4 ,598 milligrams.

01:00 Well, millie means 10 to the negative third, while kilo means 10 to the positive third.

01:06 So there's a difference of 10 to the 6th between them.

01:10 Again, that's because kilo equals 10 to the third, milly equals 10 to the negative third.

01:19 So again, the difference is 10 to the 6th.

01:21 So it takes 1 times 10 to the 6th of the smaller unit, the milligram, to equal 1 kilogram.

01:30 And milligrams will cancel.

01:32 This gives us an answer of 0 .00440.

01:37 And since we had the four significant figures to start with, we want to make sure we still have those four significant figures in our answer.

01:50 Okay, for our next one, we are working with an english to metric conversion, but we are given some information here in the problem to help us out with that.

02:00 So we're starting with 126 feet, and in my first conversion, i'm going to convert from feet to inches because they tell us there are 12 inches and a foot.

02:11 Feet will cancel and now i'm in inches.

02:15 So in my next step i'm going to convert from inches to centimeters because we're told that there are 2 .54 centimeters in an inch.

02:25 All right.

02:26 So now we have centimeters and we want meters.

02:29 So i need a metric conversion and that is there are 100 centimeters in one meter.

02:37 All right.

02:38 We are ready to calculate our answer because the only unit remaining is meters...

Question

II.C.1 Define the basic units of measurement used in: A. Metric System: B. Household System:

Question

II.C.1 Define the basic units of measurement used in: A. Metric System: B. Household System:

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