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Two. The decimal indicates that the zero is significant otherwise it wouldn't be a significant digit.

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Q: How many significant digits are in 20.?
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What is 310 times 20 in significant digits?

When using significant digits, the product has only the number of significant digits as the lowest number in the factors. "20" has two significant digits and "310" has three. Therefore, the product has to have two significant digits. 310 × 20 = 6200 6200 already has two significant digits.


How many significant figures in the number 20?

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.


How many significant digits are in How many significant digits are in 74.30?

4


How many significant digits does 0.66 have?

It has two significant digits.


How many significant digits does 20.5 have?

3 significant digits.


How many significant digits does 0.0205 have?

It has 3 significant digits.


How many significant digits are in 1467?

4 significant digits.


How many significant digits are in 123.09?

Five. All nonzero digits are significant and zeros in between significant digits are significant.


How many significant digits are there in 6.0076?

Five. All nonzero digits are significant and zeros in between significant digits are always significant.


How many significant digits are in this 6.0076?

Five. All nonzero digits are significant and zeros in between significant digits are always significant.


How many significant digits are in 20.009?

Five. All nonzero digits are significant and zeros in between significant digits are always significant.


How many significant digits are in 000203?

000203 has 3 significant digits.