SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
How many significant figures are present in 0.0025
|
|
Two
|
|
|
Three
|
|
|
Four
|
|
|
Five
|
Explanation:
Detailed explanation-1: -Solution. 0.0025-There are 2 significant figures.
Detailed explanation-2: -2 significant numbers. Zeros before a number is not significant. Zeros to the left of the first nonzero digits in a number are not significant.
Detailed explanation-3: -Answer. 005 m 2 . Since, the number is less than 1, the zeros on the right to the decimal before the first non-zero integer is insignificant. So, the number 5 is the only significant digit.
Detailed explanation-4: -There are 4 significant figures.
There is 1 question to complete.