What is the usual form of 7-54 - 10-3 -

The correct option is C 0.00754 7.54× 10^ 3=7.54×1/1000 (∵ a^ m=1/a^m for a≠ 0) =0.00754 (Moving the decimal point 3 nbsp;places to the left of 7.54) nb ...

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Standard VIII

Mathematics

Positive and Negative Powers

What is the u...

Question

What is the usual form of 7.54 $\times$ $10^{- 3}$ ?

0.0754

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0.000754

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0.00754

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0.0000754

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Solution

The correct option is C
0.00754

$7.54 \times 10^{- 3} = 7.54 \times \frac{1}{1000} (∵ a^{- m} = \frac{1}{a^{m}} for a \neq 0)$
$= 0.00754$
(Moving the decimal point $3$ places to the left of $7.54$ )

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What is the usual form of 7.54 × 10−3?

The correct option is C 0.00754 7.54×10−3=7.54×11000 (∵a−m=1am for a≠0) =0.00754 (Moving the decimal point 3 places to the left of 7.54)

What is the usual form of 7.54 $\times$ $10^{- 3}$ ?

The correct option is C
0.00754

$7.54 \times 10^{- 3} = 7.54 \times \frac{1}{1000} (∵ a^{- m} = \frac{1}{a^{m}} for a \neq 0)$
$= 0.00754$
(Moving the decimal point $3$ places to the left of $7.54$ )