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प्रश्न
Express the number appearing in the given statement in standard form.
Size of a plant cell is 0.00001275 m
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उत्तर
Standard form of given statement
0.00001275
= 1.275 × 10−5
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संबंधित प्रश्न
Express the number appearing in the given statement in standard form.
The thickness of a thick paper is 0.07 mm
Express the following numbers in standard form:
0.00000000000943
Express the following numbers in standard form:
846 × 107
Write the following numbers in the usual form:
1.0001 × 109
The usual form for 2 × 10–2 is not equal to 0.02.
Pluto is 59,1,30,00,000 m from the sun. Express this in the standard form.
Special balances can weigh something as 0.00000001 gram. Express this number in the standard form.
An inch is approximately equal to 0.02543 metres. Write this distance in standard form.
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.
