Advertisements
Advertisements
प्रश्न
Express the following numbers in standard form:
0.00072984
Advertisements
उत्तर
To express a number in the standard form, move the decimal point such that there is only one digit to the left of the decimal point.
0.00072984 = 7.984 x 10−4 (The decimal point is moved four places to the right.)
APPEARS IN
संबंधित प्रश्न
Express the given numbers in standard form.
0.00000000000942
Express the given numbers in usual form.
5.8 × 1012
Express the number appearing in the given statement in standard form.
Charge of an electron is 0.000, 000, 000, 000, 000, 000, 16 coulomb.
Express the following numbers in standard form:
6020000000000000
Write the following numbers in the usual form:
3 × 10−8
Write the following numbers in the usual form:
3.25 × 10−7
The standard form for 0.000000008 is ______.
The number of red blood cells per cubic millimetre of blood is approximately 5.5 million. If the average body contains 5 litres of blood, what is the total number of red cells in the body? Write the standard form. (1 litre = 1,00,000 mm3)
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?
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.
