1) How many significant figures are in the number: 19.9062? a) 6 significant figures. b) 5 significant figures. c) 8 significant figures. d) 3 significant figures. 2) How many significant figures are in the number: 340? a) 5 significant figures. b) 3 significant figures. c) 2 significant figure. d) 4 significant figures. 3) How many significant figures are in the number: 1.00? a) 4 significant figures. b) 2 significant figures. c) 1 significant figure. d) 3 significant figures. 4) Round the number 710 to 1 significant figure. a) 7100 b) 71 c) 700 d) 7.1 5) Round the number 396 to 1 significant figure. a) 410 b) 400 c) 300 d) 390 6) Round the number 971 to 2 significant figures. a) 9700 b) 900 c) 970 d) 9.70 7) Round the number 0.06231 to 2 significant figures. a) 0.062 b) 0.0623 c) 623 d) 0.006 8) 7291 to 1 significant figure is 7000. a) True. b) False. 9) 229 to 2 significant figures is equal to 200. a) True. b) False. 10) 0.000452 to 2 significant figures is 0.0004. a) True. b) False. 11) Write the number 8000 in standard form. a) 8 × 10 2 b) 8 × 10 4 c) 8 × 10 3 d) 8 × 10 5 12) Write the number 20000 in standard form. a) 2 × 10 4 b) 2 × 10 3 c) 2 × 10 5 d) 2 × 10 2 13) Write 3 × 10 4 in full. a) 300 b) 30 c) 3000000 d) 30000 14) Write 6 × 10 2 in full. a) 600 b) 6 c) 600000 d) 6000 15) Write 9 × 10 8 in full. a) 900000000 b) 90000000000 c) 900000 d) 90000000 16) 12000 books are shipped to a school each day. How many books would be shipped in a week? a) 8400 b) 84000 c) 84 d) 840 17) Write your answer to the previous question in the standard form. a) 8.4 × 10 4 b) 84 × 10 3 c) 8.4 × 10 3 d) 84 × 10 4

Math1 Tia Saba.

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