Question 3(i)
Express the number appearing in the following statements in standard form:
$1 m i c r o n i s e q u a l t o \frac{1}{1000000} m,$

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Solution

$1 m i c r o n = \frac{1}{1000000} m = \frac{1}{10^{6}} m = 1 \times 10^{- 6} m [∵ a^{- m} = \frac{1}{a^{m}}]$

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Similar questions

Q. Question 3(i)
Express the number appearing in the following statements in standard form:

1 m i c r o n i s e q u a l t o \frac{1}{1000000} m,

Q. Express the number appearing in the following statements in standard form

1 micron is equal to

\frac{1}{1000000} m

1 \times 10^{- m} m

Value of

m

Question 3(ii)
Express the number appearing in the following statements in standard form:
Charge of an electron is 0.000,000,000,000,000,00016 coulomb.

Q. Question 4(c)
Express the number appearing in the following statements in standard form:
(c) Diameter of Earth is 1,27,56,000m.

Q. Question 4(d)
Express the number appearing in the following statements in standard form:
(d) Diameter of the Sun is 1,400,000,000m.

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Expressing Numbers in Standard Form

Standard VII Mathematics

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Question 3(i) Express the number appearing in the following statements in standard form: 1micron is equal to11000000m,

1 micron=11000000 m=1106 m=1×10−6m [∵a−m=1am]

Question 3(i)
Express the number appearing in the following statements in standard form:
$1 m i c r o n i s e q u a l t o \frac{1}{1000000} m,$

$1 m i c r o n = \frac{1}{1000000} m = \frac{1}{10^{6}} m = 1 \times 10^{- 6} m [∵ a^{- m} = \frac{1}{a^{m}}]$