Advertisements
Advertisements
Question
The usual form for 2.03 × 10–5 is ______.
Options
0.203
0.00203
203000
0.0000203
Advertisements
Solution
The usual form for 2.03 × 10–5 is 0.0000203.
Explanation:
Given, 2.03 × 10–5 = 0.0000203 ...[∵ Placing decimal five-digit towards left of original position]
APPEARS IN
RELATED QUESTIONS
Express the number appearing in the given statement in standard form.
1 micron is equal to `1/1000000` m
Express the following numbers in standard form:
0.00000000000943
Express the following numbers in standard form:
846 × 107
Express the following numbers in standard form:
0.00072984
Write the following numbers in the usual form:
3.61492 × 106
Express the following number in standard form.
4050000
The usual form of 2.39461 × 106 is _______.
Express the following in standard form:
Mass of a molecule of hydrogen gas is about 0.00000000000000000000334 tons.
Consider a quantity of a radioactive substance. The fraction of this quantity that remains after t half-lives can be found by using the expression 3–t. After how many half-lives will the fraction be `1/243` of the original?
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.
