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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: Ordering Numbers from Least to Greatest 7 Views
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Description:
Which of the following lists of numbers is ordered from least on the left to greatest on the right?
Transcript
- 00:03
All right math geeks Ah fine students studying math here
- 00:07
for the aspire thing Which of the following lists of
- 00:11
numbers has ordered from least on the left to greatest
- 00:16
on the right Yikes This does not look pleasant Instead
- 00:23
of throwing our hands in the air in running round
Full Transcript
- 00:25
in circles we're going to go through choices just one
- 00:27
by one Well let's see Number line time Negative Five
- 00:30
elevenses close to a half But negative six sevenths is
- 00:35
closer to negative one So this means that negative five
- 00:38
eleven is larger or less negative than negative six seven
- 00:43
so well in cross out a and then similarly negative
- 00:47
point Oh oh three three three It's closer to zero
- 00:50
then his negative point Oh three three five So negative
- 00:54
point o three degrees larger than that So be it
- 00:58
Can't be the right answer either so it was over
- 01:01
quickly So get rid of b next up See One
- 01:04
point one two oh three Four is larger than both
- 01:07
one point one o two three four and one point
- 01:10
one two three four So oh all right b c
- 01:13
While this easier to see if we round off the
- 01:15
last three decimals and one point one two is greater
- 01:18
than both one point one in one point oh oneself
- 01:22
that goes into the discard pile are we've gotten rid
- 01:24
of a b and c here really quickly All right
- 01:26
how about d We've got two twenty thirds than three
- 01:29
eighteenth than for thirteenth While these look kind of correct
- 01:34
the value of a fraction becomes greater as the numerator
- 01:37
increases in the denominator decreases so well let's see Let's
- 01:42
think about this He's probably the right answer but let's
- 01:44
check e So let's see what we have here One
- 01:47
fifth is point two and let's see while they both
- 01:51
equal to tense So the first two numbers are greater
- 01:54
than the last one So it can't be e just
- 01:57
got to be de here and well you really didn't
- 01:59
have do a huge amount of denominator Getting all these
- 02:03
equal the same number would be well into the thousands
- 02:05
and take you a long time on an exam like
- 02:07
this Easier to just eliminate the wrong ones and then
- 02:10
close your eyes and checked deep because that's it That's 00:02:13.56 --> [endTime] the right answer Well done
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