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प्रश्न
Express the given numbers in usual form.
3 × 10−8
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उत्तर
3 × 10−8
= 0.00000003
संबंधित प्रश्न
Express the following numbers in standard form:
6020000000000000
Write the following numbers in the usual form:
1.0001 × 109
Express the following number in the usual form.
The standard form for 0.000064 is ______.
The standard form of `(1/100000000)` is ______.
Special balances can weigh something as 0.00000001 gram. Express this number in the standard form.
Express the following in standard form:
A Helium atom has a diameter of 0.000000022 cm.
Express the following in standard form:
Human body has 1 trillon of cells which vary in shapes and sizes.
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.
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.
