GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Three
|
|
|
Four
|
|
|
Five
|
|
|
Six
|
Detailed explanation-1: -Determining the Number of Significant Figures The number of significant figures in a measurement, such as 2.531, is equal to the number of digits that are known with some degree of confidence (2, 5, and 3) plus the last digit (1), which is an estimate or approximation.
Detailed explanation-2: -the number of significant figure in 6.07 is 3 because Zeros between nonzero digits are significant.
Detailed explanation-3: -The two other zeros in front of the decimal are irrelevant. Therefore, there are 4 significant digits in this number.
Detailed explanation-4: -Bottoms at the end of a number are significant if they’re on the right side of the decimal point, e.g.0.400 g has three significant numbers, and 400 g has one significant figure.