How many significant figures are present in the following?(i) 0.0025 (ii) 208 (iii) 5005 (iv) 126,000 (v) 500.0 (vi) 2.0034
Question
How many significant figures are present in the following?(i) 0.0025 (ii) 208 (iii) 5005 (iv) 126,000 (v) 500.0 (vi) 2.0034
Solution
(i) 0.0025 has 2 significant figures. The leading zeros are not counted as significant figures. Only the '2' and '5' are significant.
(ii) 208 has 3 significant figures. All non-zero digits are always significant.
(iii) 5005 has 4 significant figures. All non-zero digits are always significant and zeroes between non-zero digits are also significant.
(iv) 126,000 has 3 significant figures. In this case, the trailing zeros are not significant because they are simply acting as placeholders.
(v) 500.0 has 4 significant figures. The trailing zero after the decimal point is significant because it indicates a measure of precision.
(vi) 2.0034 has 5 significant figures. All non-zero digits are always significant and zeroes between non-zero digits are also significant.
Similar Questions
The number of significant figures in 3.500
The number of significant figures in 0.523 is
The number of significant figures in 2.004ma.3b.4c.2d.1
Round up the following upto three significant figures:(i) 34.216 (ii) 10.4107 (iii) 0.04597(iv) 2808
1. Determine how many significant figures each number has.a. 0.0023b. 10,025c. 734,000d. 0.08900e. 10,205.06f. 10,5002. Do the given calculations and write the final answers with the correct number of significant figures.a. 1.2 + 2.35b. 2.123 - 1.8c. 1.8 x 1.2d. 9.33 ÷ 2.13. For every situation below, you need to answer these 3 questions:1. What quantitative observation/data is needed in the situation?2. What measuring tool must be used to obtain quantitative data?3. How will you use this tool?a. Your art teacher asked you to bring a sketch pad with a size of 21 cm x 29.7 cm. In the bookstore, the sales lady gave you three different sketch pads of varied sizes.b. Aris is experimenting with the reaction of microorganisms to the acidic environment. He needs to acquire 5 mL of Hydrochloric Acid.c. Michael and Ryan want to know who is the faster swimmer between the two of them. They asked you to observe them while they do the tasks and give them their time difference.Your answerClassmates will see your answerAssignedEstigfendType your answerTurn in1 class comment[AP-Student] Malachi Jacan AntiguaSep 23Reply to this commentI'm done!Add class comment…PostPrivate comments
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.