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Numbers & Operations in Base 10 Videos 5 videos

ACT Aspire Math: Solving for x when It's in the Denominator
25 Views

Given the following equation, what is x?)

ACT Aspire Math: Comparing Cost per Pound of Hello Kitty Candy
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At the local candy store down the street, three pounds of Hello Kitty gummy treats cost $6.42. At the candy store across town, five pounds of Hello...

ACT Aspire Math: How Many Hundredths Are There in Four Tenths?
6 Views

How many hundredths are there in four tenths?

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ACT Aspire Math: Solving for x when It's in the Denominator 25 Views


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Description:

Given the following equation, what is x?


Transcript

00:03

All right people What time is it Yes it's math

00:06

drill time All right here we go Let's just dive

00:08

right in Given the following equation what is acts Now

00:14

we get five hundred over ax equals point Oh five

00:17

All right So what are they trying to do here

00:19

O x always such the international man of mystery Do

00:23

we need to pull out our caracas multiplication nunchucks and

00:26

reveal the imager behind the mask Well it may look

00:29

like we're supposed to divide five hundred by point Oh

00:32

five here But hold on there's got to be a

00:34

better way The problem is actually asking us to find

00:37

a number That man of mystery acts yet right there

00:40

that when divided into five hundred would move the decimal

00:44

to the left to the left from five hundred point

00:46

zero two zero point old five hundred Something got a

00:50

point Oh five We'll just forget solving the problem Algebraic

00:53

lee The easiest way to get from five hundred point

00:56

oh five is well to just figure this out Yeah

00:59

dividing five hundred by ten moves a decimal one place

01:03

to left You get fifty divided by ten squared It

01:06

moves it to places to left We had five And

01:10

then if we uh need four places to the left

01:14

well let's see What do we do there We've got

01:16

to move it from its original spot after the five

01:18

hundred point zero to get two point five so well

01:20

we have to divide five hundred by ten to the

01:23

fourth which in california is ten thousand years So that's

01:26

it is ten to the fourth one one two three

01:29

and then four places over to the left He at

01:31

that point oh five things ten thousand The answer is 00:01:34.583 --> [endTime] see you later

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