Description Question 1 To write 0.000216 in scientific notation is: Group of answer choices2.160 × 10^4 2.16 × 10^4 none of the above 2.160 × 10^?4 2.16 × 10^?4 Question 2 To write 2 × 105 in standard notation is: Group of answer choices200000. 0.00000002 200000 0.000002 none of the above Question 3 How many significant figures are in the measurement 9.9240 x 106 ? Group of answer choices2 5 1 4 3 Question 4 How many significant figures are in 0.00340 m? Group of answer choices5 3 none of the above 4 6 Question 5 How many significant figures are in 0.0001 kg? Group of answer choices2 4 none of the above 5 1 Question 6 Write the answer for each expression using scientific notation with the appropriate number of significant figures. 12.3 * 8.2 * 0.4 = ? Group of answer choices40.344 40.34 40.3 none of the above 40 40. Question 7 Write the answer for each expression using scientific notation with the appropriate number of significant figures. 12.32 + 88.2 0.004 = ? Group of answer choices100.52 100.5 100 100.524 100. Question 8 Write the answer for each expression using scientific notation with the appropriate number of significant figures. 12.3 * 8.2 * 0.4 = ? Group of answer choices40.34 none of the above 40.3 40. 40 40.344 Question 9 28.5 g of iron shot is added to a graduated cylinder containing 45.50 mL of water. The water level rises to the 49.10 mL mark, from this information, calculate the density of iron. Please report your answer in g/mL
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