Concept explainers
a)
Interpretation:
Concept introduction:The general and normal method to write numbers is called standard notation. It is written with help of numerical digits. This notation is generally used in everyday maths. For example, 546000, 983000 and 70000000 are expressed in standard notations.
b)
Interpretation:
Concept introduction:The general and normal method to write numbers is called standard notation. It is written with help of numerical digits. This notation is generally used in everyday maths. For example, 546000, 983000 and 70000000 are expressed in standard notations.
c)
Interpretation:
Concept introduction:The general and normal method to write numbers is called standard notation. It is written with help of numerical digits. This notation is generally used in everyday maths. For example, 546000, 983000 and 70000000 are expressed in standard notations.
d)
Interpretation:
Concept introduction:The general and normal method to write numbers is called standard notation. It is written with help of numerical digits. This notation is generally used in everyday maths. For example, 546000, 983000 and 70000000 are expressed in standard notations.
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Check out a sample textbook solutionChapter 1 Solutions
Principles of General Chemistry
- Perform the following calculations and report each answer with the correct number of significant figures. (a) 635 ✕ 335 (b) (5.23 ✕ 102) ✕ (6.8 ✕ 103) (c) 27.2/13.383 (d) 8179 ✕ 0.000051 (e) 14.23 + 27360 + 84.5721 (f) 47.2 + 0.291arrow_forwardIndicate how many significant figures there are in (a) 0.305 0 (b) 0.003 050 (c) 1.003 X 104arrow_forwardExpress the results of the following additions and subtractions to the proper number of significant figures. All of thenumbers are measured quantities.(a) 245.876+ 4.65+ 0.3678 =(b) 798.36 - 1005.7 + 129.652 =(c) 7.98 × 1017 + 6.472 × 1019 =(d) (4.32 × 10-15) - (6.257 × 10-14) - (2.136 × 10-13) =arrow_forward
- Round off each of the following numbers to two significant figures:(a) 0.436(b) 9.000(c) 27.2(d) 135(e) 1.497 × 10−3(f) 0.445arrow_forwardExpress the results of the following additions and subtractions to the proper number of significant figures. All of thenumbers are measured quantities.(a) 67.314+8.63 - 243.198=(b) 4.31 +64 +7.19 =(c) 3.1256 × 1015 - 4.631 × 1013 =(d) 2.41 × 10-26 -7.83 × 10-25 =arrow_forwardCarry out the following operations and express the answers with the appropriate number of significant figures. (a) 14.3505 + 2.65 (b) 952.7 - 140.7389 (e) 13.29 × 104210.25012 (d) 0.0588/0.677arrow_forward
- Be sure to answer all parts. Carry out the following operations as if they were calculations of experimental results and express each answer in standard notation with the correct number of significant figures and with the correct units. Enter both the answer and the units in the answer field. (a) 7.2129 m + 0.6 m + 4.33 m (b) 3.70 g-4.0933 g (c) 4.51 cm x 5.9233 cmarrow_forwardPerform each of the following operations, using your calculator where possible:(a) Write the number 0.0054 in standard exponential notation. (b) (5.0 x 10-2) + (4.7 x 10-3) (c) (5.98 x 1012) (2.77 x 10-5) (d) 4√1.75 x 10-12arrow_forwardEvaluate each of the following mathematical expressions, and express the answer to the correct number of significant digits. (a) 45.3468 + 0.85 + 7.468 (b) 9.4458 + 3.7675 - 2.71 (c) 0.8294 + 0.217 + 4.96 (d) (7.611 + 9.81 + 3.6117) / 3.0arrow_forward
- 2. Report the answers of these calculations to the correct number of significant figures: (a) 5.354 x 4.812 x 6.8312 = ? (b) 29.4464 + 10.395 +5.20853= ? (c) (5.7268 x 10¹) (6.9 x 10¹0)/1.0= ? (Report answer in exponential notation.)arrow_forwardConvert the following from scientific notation to decimalform.(a) 5.37 × 10-4(b) 9.390 × 106(c) -2.47 × 10-3(d) 6.020 × 10-3(e) 2 × 104arrow_forwardPerform the following calculations and report each answer with the correct number of significant figures. (a) 60.9 x 35 4.0 2100 (b) 0.144 +0.0070 + 0.011 4.0 X (c) 37 x 92 x 1.857 4.0 6400 (d) 16 4.0 (e) 8.63 x (f) 4.0 (h) 0.18 0.6410 4.0 180 + 7.40 + 0.013 0.0350 0.502 (g) 28.7 0.0483 4.0 4.0 (92.4 91.46) 44.70 X X Check the number of significant figures.arrow_forward
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