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To round a number to a particular digit, look at the digit immediately to the right of your target, in this case, the fourth significant figure. If that digit is 4 or lower, zero it and everything to the right of it out. If that digit is 5 or higher, increase the target digit by one and zero everything to the right of it out. If your target digit is a 9, increasing it will turn it to zero and increase the digit to the left of it by one.
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How do you round .005 to 3 significant figures?
e A number that has only 1 significant figure can't be rounded to 3 significant figures
How do you round 233.356 to 2 significant figures?
To round 233.356 to 2 significant figures, you first identify the first two non-zero digits from the left, which are 2 and 3. The digit after the second significant figure is 3. Since 3 is greater than 5, you round up the last significant figure. Therefore, rounding 233.356 to 2 significant figures gives you 230.
One significant figure round to 100?
100 is already rounded to one significant figure.
Round 9154 to 1 significant figure?
9000
How do you round 009999991 to 1 significant figure?
10000000
