Advertisements
Advertisements
प्रश्न
The usual form for 2.03 × 10–5 is ______.
पर्याय
0.203
0.00203
203000
0.0000203
Advertisements
उत्तर
The usual form for 2.03 × 10–5 is 0.0000203.
Explanation:
Given, 2.03 × 10–5 = 0.0000203 ...[∵ Placing decimal five-digit towards left of original position]
APPEARS IN
संबंधित प्रश्न
Express the given numbers in standard form.
0.00000000837
Express the given numbers in usual form.
3.02 × 10-6
Express the following numbers in standard form:
3759 × 10−4
Express the following number in the usual form.
Express the following numbers in the usual form.
The standard form for 234000000 is ______.
The standard form of 12340000 is ______.
The volume of the Earth is approximately 7.67 × 10–7 times the volume of the Sun. Express this figure in usual form.
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.
