Advertisements
Advertisements
प्रश्न
Express the following in standard form:
Express 56 km in m.
उत्तर
Given, 56 km = 56 × 1000 m ...[∵ 1 km = 1000 m]
= 56000 m
Standard form of 56000 m = 56 × 103
= 5.6 × 103 × 101 ...[∵ am × an = (a)m + n]
= 5.6 × 104 m
APPEARS IN
संबंधित प्रश्न
Express the following numbers in standard form:
6020000000000000
Write the following numbers in the usual form:
3.02 × 10−6
Write the following numbers in the usual form:
3.61492 × 106
Express the following number in standard form.
0.000035
Express the product of 3.2 × 106 and 4.1 × 10–1 in the standard form.
Express `(1.5 xx 10^6)/(2.5 xx 10^-4)` in the standard form.
Express the following in standard form:
Express 5 tons in g.
An inch is approximately equal to 0.02543 metres. Write 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.
