f2-mathematics-quiz-20090225-inequalities-indice-laws

# f2-mathematics-quiz-20090225-inequalities-indice-laws - 13....

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F.2 Mathematics Quiz (indice) Name: ______________________ F.2 ___ ( ) 2009-02-26 Time allowed: 35 minutes Total score: 100 1. Express 2009.226 (10) into expanded form. (5%) 2 . Simplify 3 × 27 n . (5%) 3. Evaluate 2 9 4 - - . (6%) 4. The place value of B in the number ACBF 1 (16) is (6%) 5. Evaluate 000000000 2500000000 00 2000000000 000000 1350000000 × and give scientific notation. (7%) 6. Solve 3 1 2 4 + - - x x . (7%)

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7. Convert 10010.11 (2) into denary number. (7%) 8. Solve x x 4 3 = . (7%) 9. Simplify 5 3 2 3 2 ) ( b a b a - - - and express the answer with positive indices. (9%) 10. Suppose x > 3, find the range of values of y if y = - 3 2 (5 + 4 x ). (9%) 11. By using division, convert 2089 (10) into hexadecimal number. (9%) 12. Solve 0 ) 3 )( 2 ( 6 2 2 2 = - - - - x x x . (9%)
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Unformatted text preview: 13. Given that the number of days to finish a task of n parts is 1 2-n . Suppose there are 64 parts in a task, how many years for finishing the task? (1 year = 365 days) (Give scientific notation with correction to 3 significant figures) (5%) 14. During Lunar New Year, Peter received a total of 60 \$10-red pockets and \$20-red pockets. The sum of money in these red pockets was not more than \$1000. How many \$20-red pockets did he receive at most? (Set up suitable inequality to solve the problem.) (5%) 15. Suppose 4 . = b a , evaluate 3 2 2 3 4 2 b b a ab a +-. (4%) END...
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## This note was uploaded on 10/17/2011 for the course IELM 3010 taught by Professor Fugee during the Winter '11 term at HKUST.

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f2-mathematics-quiz-20090225-inequalities-indice-laws - 13....

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