Advertisements
Advertisements
प्रश्न
Divide 293 by 10,00,000 and express the result in standard form.
Advertisements
उत्तर
∵ 1000000 = 106
∵ `293/10^6 = 293 xx 10^-6` ...`[∵ 1/a^m = a^-m]`
= 2.93 × 10–6 × 102
= 2.93 × 10–4
APPEARS IN
संबंधित प्रश्न
Write the following numbers in the usual form:
3.02 × 10−6
Express the following number in the usual form.
The standard form for 203000 is 2.03 × 105.
Special balances can weigh something as 0.00000001 gram. Express this number in the standard form.
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)
Express the following in standard form:
Express 2 years in seconds.
The planet Uranus is approximately 2,896,819,200,000 metres away from the Sun. What is this distance in standard form?
About 230 billion litres of water flows through a river each day. How many litres of water flows through that river in a week? How many litres of water flows through the river in an year? Write your answer in standard notation.
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.
Express the following in exponential form:
`(-1296)/14641`
