0-00000000837 is expressed in its standard form as x -37 - 10y- where x and y are integers- The value of y - 10x isA- -900000000B- 900000000C- -90000

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Standard VIII

Mathematics

Inter Conversion between Standard and Normal Forms

0.00000000837...

Question

0.00000000837 is expressed in its standard form as $x .37 \times 10^{y}$ , where $x$ and $y$ are integers. The value of $y \times 10^{x}$ is

- 900000000

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900000000

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- 90000

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Solution

The correct option is A $- 900000000$
In standard form, $0.00000000837$ is expressed as $8.37 \times 10^{- 9}$
$\Rightarrow x = 8, y = - 9$
$\Rightarrow - 9 \times 10^{8} = - 900000000$

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0.00000000837 is expressed in its standard form as x.37×10y, where x and y are integers. The value of y×10x is

The correct option is A −900000000In standard form, 0.00000000837 is expressed as 8.37×10−9 ⇒x=8, y=−9 ⇒−9×108=−900000000

0.00000000837 is expressed in its standard form as $x .37 \times 10^{y}$ , where $x$ and $y$ are integers. The value of $y \times 10^{x}$ is

The correct option is A $- 900000000$
In standard form, $0.00000000837$ is expressed as $8.37 \times 10^{- 9}$
$\Rightarrow x = 8, y = - 9$
$\Rightarrow - 9 \times 10^{8} = - 900000000$