Advertisements
Advertisements
प्रश्न
Pluto is 59,1,30,00,000 m from the sun. Express this in the standard form.
उत्तर
Distance between Pluto and Sun = 5913000000
Standard form of 5913000000 = 5913 × 106
= 5.913 × 106 × 103
= 5.913 × 109 ...[∵ am × an = (a)m + n]
APPEARS IN
संबंधित प्रश्न
Express the given numbers in usual form.
3 × 10−8
Express the following numbers in standard form:
3759 × 10−4
Write the following numbers in the usual form:
4.5 × 104
Express the following number in standard form.
4050000
Express the following number in standard form.
0.000035
Very small numbers can be expressed in standard form by using ______ exponents.
Very large numbers can be expressed in standard form by using ______ exponents.
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.
Express the following in exponential form:
`(-125)/343`
