please explain significant digits?

tell me everything about them. what i dont understand most is how to round to the significant digits when doing an equation with adding, subtracting, dividing and multiplying

Top 3 Answers

A few days ago

Anonymous

Favorite Answer

they are the decimal places that you round certain numbers to

A few days ago

Autumn_light

Whichever number in the equation has the least sig figs, that’s the amount of sig figs you get to use in your answer. If the number is a decimal with a lot of zeros in front of it, you don’t count the zeros (aka. 0.00000002, unless it’s 2.0000002, then you do count them).

A few days ago

Stephanie

0.00002 has 1

2000.0 has 5

3.3 has 2

1.111000 has 7

100 has 1

if it has a (.) all #’s starting with the first real # at the left

no(.) count from the right once you have a real number include all 0’s

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please explain significant digits?

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