0-0-0-0-0- 1999 times-

Multiplying by 0 will always give 0 as the final answer. We observe: 0×0=0 0×0×0=0 0×0×0×0=0 0×0×0×0×0=0 So, 0×0×0×0×0..... (1999 times)=0 nbsp; ...

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Standard IV

Mathematics

Multiplication by Zero

0×0×0×0×0.......

Question

$0 \times 0 \times 0 \times 0 \times 0..... (1999 times) =$

1990

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None of the above

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Solution

The correct option is B 0
Multiplying by 0 will always give 0 as the final answer.

We observe:
$0 \times 0 = 0$
$0 \times 0 \times 0 = 0$
$0 \times 0 \times 0 \times 0 = 0$
$0 \times 0 \times 0 \times 0 \times 0 = 0$

So,
$0 \times 0 \times 0 \times 0 \times 0..... (1999 times) = 0$

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\frac{1.2 \times 1.2 \times 1.2 - 0.2 \times 0.2 \times 0.2}{1.2 \times 1.2 + 1.2 \times 0.2 + 0.2 \times 0.2}

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0×0×0×0×0.....(1999 times)=

The correct option is B 0Multiplying by 0 will always give 0 as the final answer. We observe: 0×0=0 0×0×0=0 0×0×0×0=0 0×0×0×0×0=0 So, 0×0×0×0×0.....(1999 times)=0

$0 \times 0 \times 0 \times 0 \times 0..... (1999 times) =$

The correct option is B 0
Multiplying by 0 will always give 0 as the final answer.

We observe:
$0 \times 0 = 0$
$0 \times 0 \times 0 = 0$
$0 \times 0 \times 0 \times 0 = 0$
$0 \times 0 \times 0 \times 0 \times 0 = 0$

So,
$0 \times 0 \times 0 \times 0 \times 0..... (1999 times) = 0$