There are six.
It has 4 significant digits but only one value.
The number 19.00 has 4 significant digits. When you place digits on both sides of a decimal point you are indicating that all the digits on both sides are significant, so when you write 19.00 what you are saying is the the value of the number is 19.00±0.005
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
There are 4 significant digits in 5600.
Four
It has 4 significant digits but only one value.
1000.00 has four significant digits. Basically the total amount of significant digits will be the amount of numbers it needs to retain the same value. I.e. 126.26 has 5 significant digits, because you need all 5 to make the same value. 120.00 has three significant digits, because .00 if removed would not change the value of the number.
Just 1 The two zeros are placeholders- placeholders are not significant
To find how many significant digits are being displayed, you look down the place values until finding the first non-zero value. In this case, the first non-zero value is the 1 in the hundredths place. The next step is simply to count every value after that to see how many significant digits the number has been taken to. In this case there are 3.
4
It has two significant digits.
It has 3 significant digits.
3 significant digits.
Five. All nonzero digits are significant and zeros in between significant digits are significant.
There are 3 and the noughts remain there to give the true value of the number
Five. All nonzero digits are significant and zeros in between significant digits are always significant.