When we remove a decimal from a given number then the number of zeros is added to the denominator 3.5× 4.20ex0ex=35/10×42/100ex0ex=1470/1000ex0ex=14.70Hence, 3. ...

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Standard VI

Mathematics

Dividing a Decimal Number by power of 10.

3.5× 4.2=

Question

$3.5 \times 4.2 =___$

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Solution

When we remove a decimal from a given number then the number of zeros is added to the denominator
$3.5 \times 4.2 = \frac{35}{10} \times \frac{42}{10} = \frac{1470}{100} = 14.70$
Hence, $3.5 \times 4.2 = 14.70$

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Similar questions

Simplify $6.24 + 4.2$

\frac{4.2 \times 4.2 - 1.9 \times 1.9}{2.3 \times 6.1}

is equal to:

Evaluate:

$7.78 - 4.2$

Subtract : $6.24 - 4.2$

Q. Solve:

12.87 \times 4.2

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3.5×4.2=___

When we remove a decimal from a given number then the number of zeros is added to the denominator 3.5×4.2=3510×4210=1470100=14.70Hence, 3.5×4.2=14.70

$3.5 \times 4.2 =___$

When we remove a decimal from a given number then the number of zeros is added to the denominator
$3.5 \times 4.2 = \frac{35}{10} \times \frac{42}{10} = \frac{1470}{100} = 14.70$
Hence, $3.5 \times 4.2 = 14.70$