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Chem 1
Lesson: 8 Scientific Notation
| Question | Answer |
|---|---|
| What is scientific notation? | A quick way to write really, really BIG or really, really small NUMBERS. |
| It is a way to express extremely large or small numbers easily and efficiently. | Scientific Notaion |
| There are how many parts in the scientific notation? | 3 |
| Name the three parts in the scientific notation. | coefficient, base, exponent |
| Which part determines the amount of places the decimal point will move? | exponent |
| What part never changes? | base |
| In large number rules in Scientific Notation, determine if the statement is true or false: Move the decimal to the right | false (correct: Move the decimal to the left) |
| In large number rules in Scientific Notation, determine if the statement is true or false: a coefficient should be less than 10 | true |
| In large number rules in Scientific Notation, determine if the statement is true or false: and multiplied by a base of nine | false (correct: and multiplied by a base of )ten |
| In large number rules in Scientific Notation, determine if the statement is true or false: exponent is positive | true |
| Is "23 x 10^5" the correct way to convert to scientific notation if the original give is 230000? if not, why? if yes, don't explain. | no, because the coefficient or 23 is not less than 10 |
| Is "2.3 x 10^5" the correct way to convert to scientific notation if the original given is 230000? if not, why? if yes, don't explain. | yes |
| Is "1.37 x 10^8" the correct way to convert to scientific notation if the original given is 187,000,000? if not, why? if yes, don't explain. | yes |
| Convert to Scientific notation: 347,000 | 3.47 X 10^5 |
| Convert to Scientific notation: 902,000,000 | 9.02 X 10^8 |
| Convert to Scientific notation: 61,400 | 6.14 X 10^4 |
| In small number rules in Scientific Notation, determine if the statement is true or false: Move the decimal to the right | true |
| In small number rules in Scientific Notation, determine if the statement is true or false: a coefficient should be less than 10 | true |
| In small number rules in Scientific Notation, determine if the statement is true or false: and multiplied by a base of ten | true |
| In small number rules in Scientific Notation, determine if the statement is true or false: since the exponent is moved to the right , it should be negative | true |
| Convert 0.0023 to Scientific notation. | 2.3 X 10^-3 |
| Convert to standard form: 1.23 X 10^-5 (di ko sure sa term na standard form) | 0.0000123 |
| Convert to standard form: 6.806 X 10^-6 (di ko sure sa term na standard form) | 0.000006806 |
| Convert to Scientific notation: 4,000 | 4 X 10^3 |
| Convert to Scientific notation: 306,000,000 | 3.06 X 10^8 |
| Convert: 2.48 X 10^3 | 2,480 |
| Convert: 6.123 X 10^6 | 6,123,000 |
| The nucleus of a human cell is about 7 X 10^-6 meters in diameter. What is the length in standard notation? | .000007 |
| A ribosome, another part of a cell, is about 0.000000003 of a meter in diameter. Write the length in scientific notation. | 3 X 10^-9 |
Created by:
annebelle
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