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f(x) = 3ˣ. Which of the following equations must be true?
TSI Math: What is the Square Root of 100,000? 4 Views
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Description:
What is the square root of 100,000,000?
What is the square root of 100,000,000?
- Intermediate Algebra and Functions / Expressions, Equations, and Functions Involving Powers, Roots, and Radicals
- Test Prep / TSI
- TSI / TSI Math
- TSI / TSI Mathematics
- Intermediate Algebra and Functions / Expressions, Equations, and Functions Involving Powers, Roots, and Radicals
- TSI Mathematics / Intermediate Algebra and Functions
- Test Prep / TSI
- TSI Math / Intermediate Algebra and Functions
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
Full Transcript
- 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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