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प्रश्न
Express the given numbers in standard form.
0.00000000000942
उत्तर
0.00000000000942
= 9.42 × 10−12
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संबंधित प्रश्न
Express the given numbers in usual form.
1.0001 × 109
Express the given numbers in usual form.
3.61492 × 106
Express the number appearing in the given statement in standard form.
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In a stack, there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack?
Write the following numbers in the usual form:
4.83 × 107
Express the following number in the usual form.
The usual form for 2.3 × 10–10 is ______.
At the end of the 20th century, the world population was approximately 6.1 × 109 people. Express this population in usual form. How would you say this number in words?
Consider a quantity of a radioactive substance. The fraction of this quantity that remains after t half-lives can be found by using the expression 3–t. After how many half-lives will the fraction be `1/243` of the original?
The given table shows the crop production of a State in the year 2008 and 2009. Observe the table given below and answer the given questions.
| Crop | 2008 Harvest (Hectare) |
Increase/Decrease (Hectare) in 2009 |
| Bajra | 1.4 × 103 | – 100 |
| Jowar | 1.7 × 106 | – 440,000 |
| Rice | 3.7 × 103 | – 100 |
| Wheat | 5.1 × 105 | + 190,000 |
- For which crop(s) did the production decrease?
- Write the production of all the crops in 2009 in their standard form.
- Assuming the same decrease in rice production each year as in 2009, how many acres will be harvested in 2015? Write in standard form.
