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
- Write the following numbers in standard notation. Use a ter-minal decimal point when needed:(a) 6.500*10^3(b) 3.46*10^5(c) 7.5*10^2(d) 1.8856*10^2arrow_forwardPerform 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_forwardHow many significant figures are there in the following numbers? (a)0.00740 (b)609.20 (c)9.005 x 1011arrow_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) 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_forwardIndicate how many significant figures there are in (a) 0.305 0 (b) 0.003 050 (c) 1.003 X 104arrow_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_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
- Perform 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_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_forward
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