Advertisements
Advertisements
प्रश्न
Express the following numbers in standard form:
4 ÷ 100000
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.
4/100000 = 4 x 100000−1 = 4 x 10−5 (Just count the number of zeros in 1,00,000 to determine the exponent of 10.)
APPEARS IN
संबंधित प्रश्न
Express the given numbers in usual form.
4.5 × 104
Express the number appearing in the given statement in standard form.
1 micron is equal to `1/1000000` m
Very small numbers can be expressed in standard form by using ______ exponents.
The usual form for 2 × 10–2 is not equal to 0.02.
Express the product of 3.2 × 106 and 4.1 × 10–1 in the 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.
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 paper clip below has the indicated length. What is the length in 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:
`(-125)/343`
