Experiment 2

What is the correct answer to this equation considering significant figures? 0.1184 x 8.00 x 0.0345

0.0327

What are the rules for rounding off numbers?

1. If the first digit to be dropped is <5 then it and all of the following digits are dropped. 2. If the first digit to be dropped is <5 or equal to 5 then all the following digits are dropped and the value of the last retained digit is raised by 1.

What is the correct answer to this equation considering significant figures? 145.4 m + 86.58 m + 1045 m

1277

What is the correct answer to this equation considering significant figures? 13.45 mL + 0.4552 mL

13.91

What is the correct answer to this equation considering significant figures? 245.625 g - 80.2 g

165.4

What is the correct answer to this equation considering significant figures? (35.56)(1.45) / (4.8)(0.56)

19.2

4.62 cm - 0.885 cm

3.74

What is the correct answer to this equation considering significant figures? (42.4)(15.6) / 1.265

523

How do you determine the number of significant figures for an answer obtained by addition or subtraction?

The final answer is written so that it has the same number of decimal spaces as the measurement with the fewest decimal spaces.

How do you determine the number of significant figures for an answer obtained by multiplication or division?

The final answer is written so that it has the same number of significant figures as the measurement with the fewest significant figures.