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How many uncertain digits are present when some quantity is expressed in significant figures?

one


How many significant figures are in the quantity 400m?

3 significant figures


When multiplying and diving measured quantities the number of significant figures in the result should be equal to the number of significant figures in?

the measured quantity with the least number of significant figures. For example, if you multiply a quantity with 3 significant figures by a quantity with 2 significant figures, your result should have 2 significant figures.


Is .005843 6 significant figures?

.005843 has 4 significant figures. Expressed as six significant figures it becomes 0.00584300


Does 213000 have six significant figures?

213000 has 3 significant figures. Expressed as six significant figures would be: 213000.


How is 6 848 674 765 expressed in meters to 3 significant figures?

6,848,674,765 expressed in meters to 3 significant figures is: 6,850,000,000m


How significant figures are in the quantity 400 m?

1 of them.


How many significant figures are in the quantity of 105cm?

3 of them.


What is 1050 to 3 significant figures?

It is already expressed as 3 significant figures which are 1, 0 and 5


Is 30.00 expressed to four significant figures?

2


The atomic mass of Cu-63 is expressed to what number of significant figures?

The atomic mass of Cu-63 should be expressed to two significant figures, which are 63.


Why are significant figures used and how are significant figures obtained?

Significant figures are used to receive a more accurate number. To obtain the number you you multiply or divide the quantities, leave as many significant figures in the answer as there are in the quantity with the least number or significant figures. If adding or subtracting quantities, leave the same number of decimal places in the answer as there are in the quantity with the least number of decimal places