Math Problem Statement
Identify the number of significant figures in the following number:
1.) 0.00450 2.) 3050 3.) 123.450 4.) 100 5.) 5,600
Express the following in scientific notation:
1.) 0.000456 2.) 123,000 3.) 7,890,000 4.) 0.0000123 5.) 20,000
Solution
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Math Problem Analysis
Mathematical Concepts
Significant Figures
Scientific Notation
Formulas
Significant figures rule: Count all digits except leading zeros and trailing zeros without a decimal.
Scientific notation formula: a × 10^n where 1 ≤ |a| < 10 and n is an integer.
Theorems
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Suitable Grade Level
Grades 6-8
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