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Q.

What is standard form of number 384000000 m ?


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a

None of the above 

b

384000000 m

c

1.2756 × 107

d

3.84 × 108

answer is B.

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Detailed Solution

We have been given,
384000000m
If the decimal point is moved n places to the left indicate that the number is multiplied by 10 n . If the decimal point is moved n places to the right indicate that the number is multiplied by 10 −n .
Let the standard form of 384000000 m be a. Question ImageTherefore, the standard form of the number is 3.84× 10 8 .
Hence, option 2 is correct.
 
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