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Significant Digits and Notation Types
Allows students to review rounding to the proper number of significant digits and to review the definitions for decimal, engineering, metric prefix, and scientific notations
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| A | B |
| Decimal Notation | Everyday number system, easiest, but has most limitations |
| Engineering Notation | Notation in which the mantissa is greater than 1 but less than 1000 with powers of ten that are multiples of 3 |
| Scientific Notation | Notation in which the mantissa is greater than 1 but less than 10 with no restriction on the powers of ten |
| Significant Digit | Any non-zero digit, zero can be significant in certain situations |
| Rule of 5 | Only applies if the check digit is a 5 (or a 5 followed by all zeros) |
| Mantissa | The first part of an engineering, metric prefix, or scientific notation number |
| Exponent | The number that tells what power of ten to multiply with the Mantissa |
| Metric Prefix Form | Uses metric prefixes rather than multiplication by a power of ten |
| T - Tera | Trillion or 10^12 |
| G - Giga | Billion or 10^9 |
| M - Mega | Million or 10^6 |
| K - Kilo | Thousand or 10^3 |
| m - milli | thousanth or 10^-3 |
| u - micro | millionth or 10^-6 |
| n - nano | billionth or 10^-9 |
| p - pico | trillionth or 10^-12 |
| f - femto | quadrillionth or 10^-15 |
| a - atto | pentillionth or 10^-18 |
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