How many significant figures are in 25.030 , 0.006 070 , 1.004 and 1.3005 20 and why ?

Explanation:

The significant figures are defined as the figures that give the value and information of the accuracy of a measurement. The zero is the number that can have two behaviors if it is to the right of us numbers is significant since it gives an idea of the precision of the meditation, but if it is on the left and only serves to indicate the position of the decimal point it is not significant ; All of us numbers are always significant.

 Using the above statements we will shrink the significant numbers numbers:

number  Significant     description

                figure

25.030        5                  all significant, zero right indicates measurement accuracy

0.006070    4                 zeros to the left of the “6” indicate position of the decimal point, they are not significant

1,004            4                 all significant

1.300520     7                 all significant, zero right indicates accuracy is significant

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explanation:

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1= 26.17

2= 1.17

3=30.86

4=5.86

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