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प्रश्न
Very small numbers can be expressed in standard form by using ______ exponents.
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उत्तर
Very small numbers can be expressed in standard form by using negative exponents.
Explanation:
Very small numbers can be expressed in standard form by using negative exponents, i.e. 0.000023 = 2.3 × 10–3
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संबंधित प्रश्न
Express the following numbers in standard form:
0.00072984
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4.83 × 107
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3.61492 × 106
Express the following number in standard form.
4050000
Express the following number in the usual form.
The standard form for 0.000064 is ______.
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?
While studying her family’s history. Shikha discovers records of ancestors 12 generations back. She wonders how many ancestors she has had in the past 12 generations. She starts to make a diagram to help her figure this out. The diagram soon becomes very complex.
- Make a table and a graph showing the number of ancestors in each of the 12 generations.
- Write an equation for the number of ancestors in a given generation n.
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.
