30.5
38 cm
There is only one number and it has 16 significant figures!
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 270.9
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 656.64
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 273.8
30.9
38 cm
That one has five.
370.0
0.0451. 450 has two significant figures, 32.10 and 370.0 each have four.
Exact numbers have an unlimited number of significant figures. For example with numbers like one dozen it is exactly 12.0000000000 with the zeroes repeating forever because numbers such as one dozen are defined as precisely 12 things. Just as one dollar is exactly 100 pennies and so on.
One. 1m = 100cm, and 100 has one significant figure.
There is only one number and it has 16 significant figures!
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 270.9
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 656.64
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 273.8
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 270.8