59x 56x 35 35 What do they have in common
2 answers:
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Answer:
Average = 63.6
Explanation:
Average : The average of the given set of points can be calculated by dividing sum of the total point to the number of points.
The points that are given in this equation are:
83.2 , 44.6 , 74.4 , 52.3 .
These are 4 in number . So average is
Significant digits : It is the number of digits that carry meaningful value to a measurement. The rules for counting number of significant digits are:
1. all non-zero digit are significant
2.Any zero between two non-zero are also significant.(305 = 3 significant digit )
3. Zero before the decimal are non-significant (0.003 = only 1 significant digit)
Zero after decimal are significant (3.00 has 3 significant digit)
4.Zero after non - zero digit is non significant (300 has 1 significant digit).
Significant digits in division :
The answer should have the significant digits that are least in any of number(83.2 , 44.6 , 74.4 , 52.3 )
All have = 3 significant digits.
So least numner of significant digit =3
Answer should have total = 3 significant digits
So,
Average = 63.6