SSC
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Solve and round accordingly. “7.9 + 9.19 + 75.351”
|
|
92.4
|
|
|
92.441
|
|
|
92.44
|
|
|
92
|
Explanation:
Detailed explanation-1: -We round a number to three significant figures in the same way that we would round to three decimal places. We count from the first non-zero digit for three digits. We then round the last digit. We fill in any remaining places to the right of the decimal point with zeros.
Detailed explanation-2: -Answer: 126 to 2 significant figures is 100.
There is 1 question to complete.