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![For any number x, [u]x[/u] denotes the least nonnegative number y such](/forum/styles/gmatclub_light/imageset/icon_post_target_unread.svg "For any number x, [u]x[/u] denotes the least nonnegative number y such"){kind=icon}
27 Sep 2020, 21:23
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For any number x, x denotes the least nonnegative number y such that x+y is an integer. What is the value of 8.4-8.4?
A) -0.4
B) 0
C) 0.6
D) 7.8
E0 8.0
A) -0.4
B) 0
C) 0.6
D) 7.8
E0 8.0
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27 Sep 2020, 21:37
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27 Sep 2020, 22:13
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My reasoning is the following:
The least non-negative number y must be .6, as x + y must equal an integer. Since x = 8.4, the least integer number for x + y must be 9. With this being said 8.4 - .6 = 7.8.
I hope I'm right.
The least non-negative number y must be .6, as x + y must equal an integer. Since x = 8.4, the least integer number for x + y must be 9. With this being said 8.4 - .6 = 7.8.
I hope I'm right.
