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Playlist Fractions and Decimals 14 videos
Worried about adding and subtracting fractions? Never fear. It's so easy that it will only take up a fraction of your time: just use multiplication...
This video explains how to convert between decimals, percents, and fractions. All three of these languages are just different ways of showing parts...
Dividing Complicated Decimals 292 Views
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Description:
Transcript
- 00:00
Thank you We sneak Dividing complicated decimals Allah shmoop decimals
- 00:09
Why'd they have to go and make things so complicated
- 00:12
The good news is that so called complicated decimals on
- 00:15
ly look complicated They're like taxes They might seem complicated
- 00:18
but really all you have to do is pay the
Full Transcript
- 00:20
guy at h and r block two hundred bucks to
- 00:21
do them for you Done and done We've already learned
- 00:25
how to divide one decimal by another But what about
- 00:28
when they're really long All we have to do is
- 00:31
tackle it the same way we would a really tough
- 00:34
looking running back head first So say we need to
- 00:37
divide zero point zero zero three to nine eight five
- 00:40
one one seven by zero point two nine one seven
- 00:44
five three And we accidentally jumped into the pool Was
- 00:47
our scientific calculator Well how do we figure this thing
- 00:50
out by hand Well we can start by moving the
- 00:53
decimal place And our divisor is many spots as we
- 00:56
need in order to make it a whole number in
- 00:58
this case if we move it One two three four
- 01:00
five six pots to the right We get two hundred
- 01:03
ninety one thousand seven Hundred fifty three Now we move
- 01:06
the decimal of the dividend the same number of times
- 01:09
we move the decimal of the divisor and we get
- 01:12
three thousand two hundred ninety eight point eight five one
- 01:14
one seven Our problem is now become three thousand two
- 01:18
hundred ninety eight point eight five one one seven divided
- 01:19
by two hundred ninety one thousand seven Fifty three still
- 01:22
looks like something capitals up after getting too excited but
- 01:26
at least we're no longer fighting by decimal From here
- 01:29
we do the usual long division thing Move the decimal
- 01:32
place directly upward and eventually we get point Oh one
- 01:36
one three oh seven We're definitely killing a tree or
- 01:39
two with his long division problems this intense but at
- 01:43
least now we know how to get there Sorry tree 00:01:45.961 --> [endTime] way
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