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TSI Math: What is the Square Root of 100,000? 1 Views


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Description:

What is the square root of 100,000,000?


Transcript

00:01

Okay sy master bumpers Next one's Kind of a gimme

00:04

here What's the square root of one hundred million All

00:10

right Well let's think about it One hundred million is

00:12

one with eight zeros after it So it's ten to

00:16

the eighth since a square root is an exponents of

00:19

ah half well we'll use the exponents property x to

00:23

the a and then the quantity to be that's the

00:25

same as x to the a times b to take

00:28

square root a whole what a surprise that just gives

00:30

us that the square root of one hundred million is

00:33

ten to the eighth to the half See to the

00:35

half power and that's the same as ten to the

00:38

eighth time's a half there which is the same as

00:41

ten to the fourth right eight over twos for it's

00:43

ten to the fourth so ten to the fourth is

00:45

ten thousand so that's the answer and you note that

00:48

the fourth there is the number of zeros they have

00:51

So you could have kind of cheated out this one

00:53

by simply recognizing that you can take half the number

00:56

of zeros to get thes square root problems if they

00:59

throw some other weird numbers that have or double like

01:02

this easily Well saves me a lot of grief Anyway 00:01:05.102 --> [endTime] the answer is c ten thousand for done

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