The number 0.0040 has two significant figures. The first three zeros mark the decimal place and are not significant. The last zero indicates accurate measurement to the third decimal place with some uncertainty at the fourth decimal place, so the 4 and last 0 are considered significant.
What are the 5 Rules of significant figures in chemistry?
Terms in this set (7) All non-zero digits are significant. Zeros between non-zero digits are significant. Leading zeros are never significant. In a number with a decimal point, trailing zeros, those to the right of the last non-zero digit, are significant.
How many significant figures are there in 2.46 x10?
(c) 2.46 x 10-6 has 3 significant figures.
How many significant figures does 0.001 have?
The number of significant figures in 0.001 is 1, while in 0.100 it is 3 .
How many significant figures does 0.006 have?
Answer and Explanation: There is one significant figure in 0.006.
How many significant figures does 0.00100 have?
Notice that there are three sig figs in 0.00100.
How many significant figures does 0.0086 have?
And the same kind of story applies to the next number 0.0086; it has two significant figures, only the 8 and the 6 are significant this 0.00 business here is just to put the 8 and the 6 in their proper place values.
How many significant figures does 1500.00 have?
Thus, in 1,500, the two trailing zeros are not significant because the number is written without a decimal point; the number has two significant figures. However, in 1,500.00, all six digits are significant because the number has a decimal point.
How many significant figures are present in the number 10450?
Answer and Explanation: Thus, there are four significant figures in the given number.
How many significant figures does 50.0 have?
For 50: trailing zeros without implied accuracy cannot be used, so there is 1 significant figure. For 50.0: trailing zeros with implied accuracy are significant, so this value possesses 3 significant figures.
How many significant figures does 0.020 have?
Explanation: 0.020 has two significant figures. The 2 is significant because all non-zero numbers are signficant. The second 0 is significant because all zeros at the end of a decimal are significant.
How many significant figures does 10.0 have?
Trailing zeros are significant only if there is a decimal point in the number, for example, 1010000 mm has three significant digits, 1000. mm has four significant digits, 0.010 Pa has two significant digits and 10.0 atm has three significant digits.
How many significant figures does 0.05 have?
0.05 has 1 significant figures. Ignore leading zeros in 0.05 to get 5. 0.05 has no insignificant trailing zeroes.
How many significant figures does 3.0 have?
For example, 3.0 (2 significant figures ) 12.60 (4 significant figures) = 37.8000 which should be rounded off to 38 (2 significant figures). (1) If the digit to be dropped is greater than 5, the last retained digit is increased by one.
How many significant figures does 150 have?
150 has 2 sig figs.
How many significant figures does 200 have?
200 is considered to have only ONE significant figure while 25,000 has two. This is based on the way each number is written. When whole number are written as above, the zeros, BY DEFINITION, did not require a measurement decision, thus they are not significant.
How many significant figures does 0.011 have?
0.011 only has 2 sig figs.
How many significant figures does 0.00030 have?
0.00030, 123, 0.4005, 2.04, 2.004, 123 and 2.04 each has 3 significant figures but 0.00030 is the same as 3.0 x 10-4, so it has only 2 significant figures.
How many significant figures does 8700 have Express your answer as an integer?
G) 8700 has 2 significant figures.
How many significant figures does 0.00120 have?
Hence, 0.00120 have 3 significant digits.
How many significant figures does 600 have?
Without a decimal point, the previous number would be 500, the following number would be 700. 100, 200, 300, 400, 500, 600, etc. In this way, there is only 1 significant figure.
How many significant figures are there in the number 1008500?
In this case, you have 1 , 8 , and 5 as non-zero, and thus significant, digits.
Can you have zero significant figures?
These conventions are: All non zero digits are significant. Zeros between non zero digits are significant. Zeros to the left of the first non zero digit are not significant.
Are sandwiched zeros significant?
If zeros are sandwiched between non-zero digits, the zeros are significant. If zeros are at the end of a number that has a decimal, the zeros ARE significant.
How many significant figures does 20.000 have?
figs. (160) 20000 has 1 sig.