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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 Not yet answered Marked out of 1.00 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 Clear my choice Question 8 Not yet answered Marked out of 1.00 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 https://muele.mak.ac.ug/mod/quiz/attempt.php?attempt=251968&cmid=122925&page=2 1/2 7/1/22, 9:55 AM Errors Quiz (Friday 1st July 9am-12pm) (page 3 of 7) Question 9 Not yet answered Marked out of 1.00 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 Get the mobile app ◄ Errors Slides Jump to... Polynomial Approximation ► https://muele.mak.ac.ug/mod/quiz/attempt.php?attempt=251968&cmid=122925&page=2 2/2