10 questions worth 5 marks each for a total of 50 marks Simplify, leaving your answer with POSITIVE exponents. 217 x 230 (2f-10)-3 Answer: (a)_____________ Answer: (b) _____________ For the number 543.9823 (a) Round to 2 decimal places _____________ (b) Round to the nearest 100 ______________ (c ) Put in exponential form [ a x 10n] : ______________ 3. Find the value of: - 1/8 + 1 = Answer: ______________ 4. Evaluate: 2 x 2 1/3 Answer: _______________ 5. What is the LCM of 2, 4 and 12 And find the value of - + 5/12 Answer: LCM:______________ Answer:_(value of)______________ 6. Simplify: 2x2 - 5x -4 + (x-2)2 Answer: ______________ 7 Find x: (x+2) = x/3 4 Answer: ______________ 8. Find the value of: - (ab)0 Answer: ______________ Find the value of |-8| - |8| Answer: ______________ 9. Convert to decimal .005% = Answer: ______________ Convert 0.66 to a fraction Answer: _______________ 10. If 0.73 cents Canadian is equal to US$1 How many US dollars can $500 Canadian buy? Part B 5 questions worth 5 marks each for a total of 50 marks. Show all working. 1. Find the interest earned on $500 after 6 years in an investment that pays 5% annually compounded annually. 2. You bought 5 tomatoes at 70 cents each, 3 cucumbers at $1 ech and 20 potatoes at 20 cents each. What is the average price you paid for one vegetable? 3. If your entertainment bill including the 13% HST comes to $2260 how much was the HST? 4. You are currently x years old. In 10 years time, you will be 3 times your current age. How old are you at present? 5. In a class of 80 students, 10% are girls. How many of the students are boys