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The Number System Videos 5 videos
Which of the following is the prime factorization of 120?
Which of the following lists of numbers is ordered from least on the left to greatest on the right?
Place one of the following numbers into the ones digit of the number 428, while moving the other digits so that the 4 is in the position of the tho...
ACT Aspire Math: Approximating Square Roots 9 Views
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Description:
What is the approximate value of ?
Transcript
- 00:02
Okay C t s baring math There's another drill for
- 00:04
you Here we go What is the approximate value of
- 00:08
the square root of fifteen Please Well it's a number
- 00:16
fifteen is not a perfect square Taking its square rude
- 00:19
makes it angry and irrational Usually result gives us an
Full Transcript
- 00:22
infinite number of non repeating decimal places An irrational number
- 00:26
But we can still estimate in perfect square roots Right
- 00:29
Well the best strategy is to go through the squares
- 00:31
until he passed the number we want Once that happens
- 00:33
we know that we're close to the roots suffering since
- 00:35
three squared is nine were not in fifteen yet So
- 00:38
given that singers shot there like we said four square
- 00:40
to sixteen who too far But it's good enough for
- 00:43
our purposes because now we know the square root of
- 00:45
fifteen has to be between three and four and the 00:00:49.143 --> [endTime] answer is b that's it Bye
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