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Q: How many significant digits are in the number 405000?

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This number has seven significant digits.

Three significant digits.

All four of the digits given are significant digits.

There are two significant digits in the number 83.

All numbers which are not "zero" are classed as significant digits. Therefore in the number 129 there will be three digits which are classed as significant.

All the digits are significant, so there are 5 significant digits.

Two. All nonzero digits are significant.

1,071 has four significant digits.

Three: The first two zeros are not significant digits.

There are 5 significant digits in number 14500. To count for a given number as to how many significant digits does it have, look for the first zero form left and decimal point. For ex sample 0045 has 2 significant digits 0.0045 has 2 significant digits 0.4500 has 4 significant digits.

Significant digits refer to the number of digits that are known versus the number of digits that are estimated. So if the number 20 is an approximation, there is only one significant digit, which is the 2. However, if 20 is accurate to the ones place, then there are 2 significant digits. 20.00 has four significant digits, because it is known that the number is accurate down to the hundredths place.

Four

Two of them.

To assess the number of significant digits in a number, you first have to find the greatest non-zero digit. In this case it is the first five which represent 500. The next step is to simply count how many digits there are after this number. In this case, there are 4 more digits. Thus the number 500.95 has been given to 5 significant digits.

How many significant digits does the following operation have?(40,200.0 * 0.000240) - 2.778

Out of all the measurements used in the calculation, find the one with the least number of significant digits. This will be the limiting factor of how many significant digits the answer should have.

There are 2 significant digits: 5 and 4

All three numbers are significant digits, so 3.

There is one significant figure in the number 0.003

There are four significant digits in the number 1.234

3 significant figures.

4 significant figures.

All of them are significant.

5 significant figures.

Two significant figures.