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Case Assigner Posted 19 years ago
Grammar

What the hell does this mean?

A friend of mine asked me to translate this question. I am not able to do so, maybe it´s because I do not understand my own translation then... It doesn´t make sense to me then. Maybe I misinterpret some of the notions involved.

Here is the question:
The units digit of 2^33 is how much less than the hundredths digit of 0.567?

It is part of a chinese math tutorium Emotion: smile Maybe a chinese member can translate this one adequately ....... Emotion: smile
  

Top answer

It some mathematic stuff. A unit is like meter, liter, mile and so forth.

  • It some mathematic stuff.
  • A unit is like meter, liter, mile and so forth.
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6 Answers
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It some mathematic stuff. A unit is like meter, liter, mile and so forth.
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Yes, okay.... But can someone please rephrase this question so that it is much easier to understand?
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I don't know, when we were doing maths in school we spoke of units, tens, hundreds, thousands etc. Units being numbers 0-9.

for example

8265

8 is the thousands

2 is the hundreds

6 is the tens

5 is the units.
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Ok, but what does "the units digit of ... " and "the hundreths digit of...." mean... Must be some mathematical operation that I do not understand.... That´s why I do not know how to deal with that question.... Is digit maybe an operation?
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Ummm...
For example, 125 has three digits: 1, 2, and 5.
2^33 is 2 to the thirty-third, that is 8,589,934,592. So the units digit should be the last one, 2.
Now, 0.567 is 5 tenths, 6 hundredths, 7 thousandths. The hundredths digit is 6, then.
So, 2 is less than 6, how much less? Two is less than six by four units (6-2=4).

HUGE PS: I don't know if the English used by me or
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Thx a lot for explaining.... Some difficulties remain because you use the notions units and digits, but I think it is much clearer now.... If something still is unclear to me, I will aks again

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