Advertisements
Advertisements
Question
The standard form of `(1/100000000)` is ______.
Advertisements
Solution
The standard form of `(1/100000000)` is 1.0 × 10–8.
Explanation:
For standard form,
`1/100000000 = 1/(1 xx 10^8)`
= `1/10^8`
= 1 × 10–8
= 1.0 × 10–8
Hence, standard form of `1/100000000` is 1.0 × 10–8.
APPEARS IN
RELATED QUESTIONS
Express the given numbers in usual form.
3.02 × 10-6
Write the following numbers in the usual form:
4.5 × 104
Express the following number in standard form.
0.000035
The usual form of 3.41 × 106 is ______.
The usual form for 2.3 × 10–10 is ______.
Pluto is 59,1,30,00,000 m from the sun. Express this in the standard form.
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:
Mass of a molecule of hydrogen gas is about 0.00000000000000000000334 tons.
Express the following in standard form:
Express 5 tons in g.
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.
