Download Errors Quiz (Friday 1st July 9am-12pm) (page 3 of 7)

7/1/22, 9:55 AM
Errors Quiz (Friday 1st July 9am-12pm) (page 3 of 7)
Dashboard / Courses / MTH2203[BSSE I] / Errors / Errors Quiz (Friday 1st July 9am-12pm)
Question 7
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In a symmetric round-off, the last retained significant digit is rounded by 1, if
a. the last digit being discarded is greater than or equal to 5
b. the first digit being discarded is greater than or equal to 5
c. the first digit being discarded is less than 5
d. the last digit being discarded is less than 5
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Question 8
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A number A is correctly rounded to 3.18 from a given number B. Then A − B
≤ C,
where C is
a. 0.01
Time left 0:18:52
b. 0.5
c. 0.005
d. 0.18
Clear my choice
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7/1/22, 9:55 AM
Errors Quiz (Friday 1st July 9am-12pm) (page 3 of 7)
Question 9
Not yet answered
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Given that a certain computation generated the following numbers w
,
= 4.52 x = 2.0
and y
= 3.0
the error bound given as 0.02, 0.2 and 0.6 respectively, find the error bound of z which is given by z
with
=
wx
2
√y
to two significant figures.
a. None of the given options
b. 0.14
c. 0.49
d. 28.638
Clear my choice
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