Advertisements
Advertisements
प्रश्न
Write 0.000005678 in the standard form.
Advertisements
उत्तर
For standard form,
0.000005678 = 0.5678 × 10–5
= 5.678 × 10–5 × 10–1
= 5.678 × 10–6
Hence, 5.678 × 10–6 is the standard form of 0.000005678.
APPEARS IN
संबंधित प्रश्न
Express the given numbers in standard form.
6020000000000000
Express the given numbers in usual form.
3.02 × 10-6
Express the number appearing in the given statement in standard form.
Size of a bacteria is 0.0000005 m
Express the following numbers in standard form:
6020000000000000
Write the following numbers in the usual form:
4.83 × 107
The usual form of 2.39461 × 106 is _______.
The standard form for 203000 is 2.03 × 105.
Express `(1.5 xx 10^6)/(2.5 xx 10^-4)` in the standard form.
Express the following in standard form:
Mass of a molecule of hydrogen gas is about 0.00000000000000000000334 tons.
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.
