Answer:
Option 3 -There are 14 significant digits presented in [tex]1.50\times 10^{11}[/tex]
Step-by-step explanation:
Given : The mean or average distance of the earth to the sun is [tex]1.50\times 10^{11}[/tex] m.
To find : How many significant digits are presented?
Solution :
Rules to find the number of significant digits :
1) Non-zero digits are always significant.
2) Any zeros between two significant digits are significant.
3) A final zero or trailing zeros in the decimal portion only are significant.
So, In [tex]1.50\times 10^{11}[/tex]
There are 11 zeros and 3 digit before decimal.
i.e. 11+3=14
Therefore, Option 3 is correct.
There are 14 significant digits presented in [tex]1.50\times 10^{11}[/tex]
