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Tech Math 1 - Unit1 - Objective 3 Worksheet


Part One:Give the number of significant digits in each of the following. 1) 7.345 2) 6.001 3) 0.35 4) 0.0035 5) 0.3500 6) 17020 7) 503.0 8) 2015.00 Part Two: Round each of the following to two decimal places. 1) 3.567 2) 4.654 3) 15.597 4) 1.004 5) 2.1212 Part Three : Round each of the following to three significant digits. 1) 273.5 2) 23.0765 3) 4.8560 4)73492 5) 543.4632 Part Four : Round each of the following to one decimal place. 1) 3.567 2) 31.034 3) 2.259 4) 27.28 5) 94.96 Part Five :Evaluate and round to two decimal places: 1) 21.3(4.7*1.02)= 2) 79.25/6.15= 3) -|5-2|+|-9+8|+3= 4) -235-(432-743)-(-302)+(-248)= 5) 6.1-4.3-7.4= 6) |-5|-|2-7|+|6|= 7) 29-(-4)+7-2= 8) 8-2(5-2)= 12) divide -32 by -0.004

Unit 1 Outline