1) Which of these is a rational number? a) √2 b) √7 c) √23 d) √25 e) √21 f) √30 2) The ratio of two integers will resulted a rational number a) True b) Depends on the square root c) False d) Depends on the denominator e) Somehow False f) Maybe yes, maybe no 3) Which of these is true about an irrational number? a) It can be written as a ratio of integers b) It can't be written as a ratio of integers c) It does have recurring pattern in decimal expansion d) It does terminates in decimal expansion e) It's a simple integers f) It's an exact answer 4) Which of these rational numbers that does not terminates? a) 1/2 b) 1/4 c) 1/5 d) 0,75 e) 0,125 f) 0,3333... 5) Determine an irrational number between 5 and 6 ! a) √16 b) √5,6 c) 5,6 d) √6 e) √27 f) √25 6) What do you called the number that start with 0 ? a) Whole Number b) Natural Number c) Integers Number d) Rational Number e) Irrational Number f) Basic Number 7) Which one is an Irrational Number? a) √21 b) -6 c) 1/3 d) √25 e) 0,676767... f) 0,1 8) π (Pie) is an Irrational Number. a) Somehow false b) Depends on the decimal point c) True d) Depends on the number behind decimal point e) False f) Maybe yes, Maybe no 9) 0,2 ; -√16 ; -6 ; 0,33333... ; 1,36363... All of them is Rational Number a) False b) True c) Not entirely d) The last two number is not a Rational Number e) Somehow false f) Maybe yes, Maybe no 10) Negative numbers may not be classified as rational numbers. a) Depends on the number b) Only one is Rational Number c) Maybe yes, Maybe No d) True e) False f) Not entirely 11) What the other name of Standard Form? a) Standard Notation b) International Base Number c) Index d) Scientific Numeracy e) Indices f) Scientific Notation 12) In  23 + 5, what do you called the number 3 is? a) Base Number b) Number c) Indices d) Index e) Basic Number f) Original Numeracy 13) What is the standard form of 12 million? a) 12 x 107 b) 1,2 x 10 -7 c) 1,2 x 107 d) 12,0 x 107 e) 1,2 x 106 f) 0,12 x 107 14) What is the standard form of 0,000025 a) 0,25 b) 2,5 x 105 c) 25,0 x 106 d) 2,5 x 10 -5 e) 0,25 x 10 -4 f) 25,0 x 10 -3 15) Which one that have the largest value? a) 0,9 x 105 b) 0,999 x 103 c) 9,6 x 10 -6 d) 3,46 x 104 e) 1,8 x 105 f) 3,765 x 10-9 16) Which one that have the smallest value? a) 0,254 x 10-5 b) 3,456 x 10-9 c) 3,456 x 104 d) 3,01 x 10 -7 e) 1,356 x 10-9 f) 0,345x10 -3 17) What 3-2 in fraction form? a) 1/6 b) 9 c) -9 d) 1/3 e) -1/6 f) 1/9 18) What 1/16 in power of 2 form ? a) 2-3 b) 24 c) 2-4 d) 20 e) 1/22 f) 1/2-2 19) What the result of 40 is? a) 0 b) 0,4 c) 2 d) 1 e) 4 f) 1/4 20) 54  x 5-2 a) 5-2 b) 5-8 c) 58 d) -58 e) 52 f) 42

Mathematic 9th Grade AIS

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