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What is two significant figure of 151.208?
The number 151.208, when expressed to two significant figures, is 150. This is because the first two significant figures are '1' and '5', and rounding the next digit (which is '1') leads to a decrease in the last significant figure. Therefore, the rounded value is 150.
Which is 459.567L expressed to three significant digits?
460. (the period/decimal point is necessary; otherwise 460 would be considered two significant figures)
How many significant figures in 42?
42 has two significant figures.
How do you put 20 in significant figures?
The number 20 can be expressed in significant figures depending on how precise you want it to be. If it is written as "20," it has one significant figure. If you want to indicate that both digits are significant, you can write it as "20." or "2.0 x 10^1," which shows two significant figures. The use of a decimal point or scientific notation clarifies the number of significant figures intended.
What is the mass of 136 mL of Mercury?
If you know the density of mercury, you can determine the mass of a specific volume of mercury. Mercury has a density of 13.534g/cm3. 1cm3 = 1mL, so we can restate its density as 13.534g/mL. Density = mass/volume. If we know any two variables, we can manipulate the density equation to find the third variable. In this case, we know volume and density, so to find the mass, do the following calculation: Mass = density x volume Mass Hg = 13.534g/mL x 136mL = 1.84g Hg* *The answer is limited to 3 significant figures, because 136mL has only 3 significant figures, even though the density has 5 significant figures. When multiplying or dividing, the answer is limited to the same number of significant figures as the measurement with the fewest significant figures used in the calculation.
Why is the density expressed in two significant figures?
Expressing density in two significant figures helps to maintain the accuracy of the measurement while also keeping the data concise and easy to interpret. It strikes a balance between providing enough precision without overwhelming with excessive decimal places.
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.
What is 62.125 kg rounded to two significant figures?
It is: 62 kg
How many significant figures are in 149.0?
There are four significant figures in 149.0. The trailing zero after the decimal point indicates that it is significant.
What is two significant figure of 151.208?
The number 151.208, when expressed to two significant figures, is 150. This is because the first two significant figures are '1' and '5', and rounding the next digit (which is '1') leads to a decrease in the last significant figure. Therefore, the rounded value is 150.
How many significant figures 0.03?
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
Which is 459.567L expressed to three significant digits?
460. (the period/decimal point is necessary; otherwise 460 would be considered two significant figures)
Give the significant figures for 2.2 times 10 times 10?
There are two significant figures which are the two 2s.
How many significant figures are in 3200?
all the zeros are significant. there are four significant figures.
What is 22.1 to two significant figures?
22.1 to two significant figures = 22
What is 23.81558 to two significant figures?
23.81558 to two significant figures is 24.
How many significant figures in 42?
42 has two significant figures.
