Advertisements
Advertisements
Question
Express the following in standard form:
Express 56 km in m.
Advertisements
Solution
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
RELATED QUESTIONS
Express the given numbers in standard form.
0.0000000000085
Express the given numbers in standard form.
0.00000000000942
Express the given numbers in standard form.
31860000000
Express the given numbers in usual form.
4.5 × 104
The usual form for 2.03 × 10–5 is ______.
The usual form for 2.3 × 10–10 is ______.
The standard form for 203000 is 2.03 × 105.
A sugar factory has annual sales of 3 billion 720 million kilograms of sugar. Express this number in the standard form.
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:
`(-625)/10000`
