Tutorial 1 : SIGNIFICANT FIGURES AND STANDARD FORM
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1) This document provides a series of math problems involving rounding numbers to significant figures, performing basic arithmetic operations, and converting numbers to standard form. 2) The problems cover topics like rounding numbers, adding, subtracting, multiplying and dividing numbers, and calculating remaining amounts after parts are used or removed. 3) The document is a math tutorial intended to practice skills like operations with numbers in scientific notation, significant figures, proportions, and unit conversions.
Tutorial 1 : SIGNIFICANT FIGURES AND STANDARD FORM
- 1. ICAM MTH1012/APR2013 TUTORIAL 1 1. Round off the numbers below to significant figures like stated in the { }. a. 5809 {1} c. 203.047 {2} b. 3049 {3} d 123.456 {4} 2. Calculate the value of each number below and round off the values correct to two significant figures. a. 78.9 + 5.45 – 80.6 c. 0.48 2.5 b. 0.89 x 3.6 d. 600 (9.4 x 15) 3. Convert these numbers into standard form. a. 0.0036 c. 45.67 b. 450 d. 0.0023 4. Calculate the value of each number below and give the answer in standard form. a. 7800+ 9200 c. 0.45 x 0.14 b. 6500-3200 d. 30 0.015 5. Calculate the value of each number below and give the answer in standard form. a. d. b. e. c. f. 6. Hanis has 3.14 m of rope. She cuts the rope into four equal parts of 0.75 m each. What is the length, in m, of the remaining rope? 7. There was 1.5ℓ of the apple juice in a jug. Mona drank of the juice. Find the volume, in mℓ, of the remaining juice.