Question

Write the number of significant figure in 7.0068​

Answer 1

Answer:

Answer is 7.0068 significant figure is 5

Answer 2

To find : number of significant  figure .

Given number : $7.0068$

Solution :

• To find significant figure we have following rules :

1. All the digits except zero are always significant .
2. Any zero placed between two non-zero digits are significant.
3. Zeros placed on right of decimal point and left of non-zero digit ,they are not significant .
4. Zeros are placed on the right of decimal but there is no non-zero digit after it then it is significant .
5. Zeros placed on the right side of non-zero digit after decimal point are significant .
6. Zeros placed on right side of last non -zero digit are significant when they come from a measurement.

• Therefore , according to $2.$ point of rule we can say that there are five significant figures.

Hence ,in  $7.0068$ there are $5$ significant figures.