Answer:
round off 17.2 to one significant figure is 17.
Step-by-step explanation:
Given : 17.2 number
To find : round off 17.2 to one significant figure.
Solution : We have given
Number 17.2
We can see from the given number , after decimal number is less than 5 so, we will not consider it.
If the number after decimal is greater than 5 then it increase the previous number by 1
Example: 17.5 it becomes 18.
Therefore, round off 17.2 to one significant figure is 17.