Advertisements
Advertisements
प्रश्न
Pluto is 59,1,30,00,000 m from the sun. Express this in the standard form.
Advertisements
उत्तर
Distance between Pluto and Sun = 5913000000
Standard form of 5913000000 = 5913 × 106
= 5.913 × 106 × 103
= 5.913 × 109 ...[∵ am × an = (a)m + n]
APPEARS IN
संबंधित प्रश्न
Express the given numbers in usual form.
3 × 10−8
Express the following numbers in standard form:
0.00000000085
The usual form for 2.03 × 10–5 is ______.
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:
The mass of a proton in gram is `1673/1000000000000000000000000000`
Express the following in standard form:
Express 56 km in m.
Express the following in standard form:
Express 5 tons in g.
While studying her family’s history. Shikha discovers records of ancestors 12 generations back. She wonders how many ancestors she has had in the past 12 generations. She starts to make a diagram to help her figure this out. The diagram soon becomes very complex.
- Make a table and a graph showing the number of ancestors in each of the 12 generations.
- Write an equation for the number of ancestors in a given generation n.
A half-life is the amount of time that it takes for a radioactive substance to decay to one half of its original quantity.
Suppose radioactive decay causes 300 grams of a substance to decrease to 300 × 2–3 grams after 3 half-lives. Evaluate 300 × 2–3 to determine how many grams of the substance are left.
Explain why the expression 300 × 2–n can be used to find the amount of the substance that remains after n half-lives.
The paper clip below has the indicated length. What is the length in standard form.
