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11th
Chemistry
Some Basic Concepts of Chemistry
Uncertainty in Measurement
Operations on Scientific No...
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Operations on Scientific Notation of a Number
Scientific Notation of Very Small Numbers
Uncertainty in Measurement
Operations on Numbers in Standard Form
Standard Form of Number
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Class 11 Medical - Uncertainty in Measurement
Class 11 Engineering - Uncertainty in Measurement
Class 8 - Expressing Small Numbers in Standard Form
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Scientific Notation of a Number
3 mins
Variables, Accuracy and Precision
9 mins
Significant Figures
8 mins
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Uncertainty in Measurement
Example
Definitions
Formulaes
Operations on Numbers in Standard Form
Example
Definitions
Formulaes
Standard Form of Number
Example
Definitions
Formulaes
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Scientific Notation of Numbers
3 mins read
Significant Figures
3 mins read
Variables Accuracy Precision
3 mins read
Comparing Very Large and Very Small Numbers
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Related questions
Scientific notation for the number 100 is expressed as
1
0
2
.
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Express the following to four significant figures:
0
.
0
0
4
6
8
7
.
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Significant figures in a number represent:
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The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures
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Write the base and the exponential :
(
7
x
)
2
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9849475825 is written with commas as (International System)
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Express the following in the standard form:
4
.
6
7
Ă—
1
0
4
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Write the following numbers in the usual form:
4
.
8
3
Ă—
1
0
7
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Evaluate
3
Ă—
1
0
7
6
.
3
Ă—
1
0
3
​
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What do you understand by 'Rounding off' ?
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