Question

If the measurement 23450 is to be rounded off to three significant figures, then it should be written as​

Answer 1

Answer:

2.34 × 104

Explanation:

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Answer 2

Given :  the measurement 23450

To Find :  the measurement 23450 is to be rounded off to three significant figures,

Solution :

All non-zero digits are significant.

The leftmost nonzero digit is the first or most significant figure.

If there is a decimal point, the rightmost digit is the last or least significant figure

If there is no decimal point explicitly shown, the rightmost non-zero digit is the least significant figure

All digits between the most significant figure and the least significant figure are significant.

Hence  23450  is has  4 significant figure  2 , 3 , 4 and  5

hence we have to  make 5 as 0

as Digit to be rounded is 5

Hence 4 has to increase by 1

and right digits to be zero

so 23450 = 23500

23500  has   3 significant figure  2 , 3 and  5

or it can be written as 2.35 x 10⁴

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