The correct option is A 72900090^3=90×90×90 nbsp; nbsp; nbsp; nbsp;=(9×10)×(9×10)×(9×10) nbsp; =(9×9×9)×(10×10×10) nbsp; =(81×9)×(1000) =(729×1 ...

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Standard VII

Mathematics

Product Law of Exponent

903 is equal ...

Question

$90^{3}$ is equal to

729000

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81000

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27000

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90000

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Solution

The correct option is A $729000$
$90^{3} = 90 \times 90 \times 90$
$= (9 \times 10) \times (9 \times 10) \times (9 \times 10)$
$= (9 \times 9 \times 9) \times (10 \times 10 \times 10)$
$= (81 \times 9) \times (1000)$
$= (729 \times 1000)$
$= 729000$

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903 is equal to

The correct option is A 729000903=90×90×90 =(9×10)×(9×10)×(9×10) =(9×9×9)×(10×10×10) =(81×9)×(1000) =(729×1000) =729000

$90^{3}$ is equal to

The correct option is A $729000$
$90^{3} = 90 \times 90 \times 90$
$= (9 \times 10) \times (9 \times 10) \times (9 \times 10)$
$= (9 \times 9 \times 9) \times (10 \times 10 \times 10)$
$= (81 \times 9) \times (1000)$
$= (729 \times 1000)$
$= 729000$