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10 Cards in this Set
- Front
- Back
What is Accuracy?
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How close a measurement is to the real value.
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what is precision?
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HOw close a measurement is to other measurements.
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What is Significant Digits?
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The digits in a measurement that are known with certainty plus one final digit, whic is estimated.
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What is estimation?
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An approximate measurement or calculation.
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what are the steps of significant digits
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1. Determaine where to start
2.Scan for first nonzero or zero with bar. 3All remaining digits are significant. |
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what are some examples of signtific digits
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with out decimal...32100 start to the right
with the deciaml 0.0123 start to the left. other examples are 400,100 0.1004 |
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What is Scientific Notation.
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is a system of numerical notation created to represent large and small numbers
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What are some examples of Scientific Notation?
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1.Write significant digits when the deciaml point after the first digit.
2. Multiply by a factor of 10 3.Determine the exponent.Count how far the deciaml point needs to move. 6.69 6.69*10 6.69*10 to the third |
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what is the first step in writing in scientific notation?
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is detemaining the significant digits. Significant digits are the digits of a number beginning with the first digit on the left is not a zero and ending with the last digit on the right that is not a zero.Zeros that serve only as placeholders are not significant digits
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what are some rules that will help you when determaining these things?
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1.If the number does not have a deciaml point start from the right and scan past any zeros until you reach a nonzero digit or a zero with a bar.The remaining digits are significant.
2.If the number has a decimal point,start from the left and scan past any zeros until you reach a nonzero digit or a zero with a bar.The remaining digits are significant. |