3 of them.
3 significant figures
There are six - unless the quantity is a currency amount in which case it is 1.
At most 1.
How many significant figures are in 20.8
The quantity of 400 m has one significant figure unless specified otherwise. If it is written as 400. or in scientific notation (e.g., 4.00 × 10²), it would indicate three significant figures. Without additional notation, the trailing zeros in 400 are not considered significant. Therefore, it is typically interpreted as having one significant figure.
3 significant figures
4
Just one.
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
one
There are six - unless the quantity is a currency amount in which case it is 1.
At most 1.
It is equally wrong to record too many digits, since this implies greater ... Thus, significant figures are those digits that give meaningful but not ... 3.43+8.6=12.0 ... 8 x 10-4 we can calculate the pH from the definition of quantity.
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
The quantity of 400 m has one significant figure unless specified otherwise. If it is written as 400. or in scientific notation (e.g., 4.00 × 10²), it would indicate three significant figures. Without additional notation, the trailing zeros in 400 are not considered significant. Therefore, it is typically interpreted as having one significant figure.
101330 has 6 significant figures.