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How do you round numbers to be added if one is in the thousands and the other is in the tens?
A good rule of math is to not round until the end. Do all the calculations and then round what you're answer is. A rule of thumb is round to two decimal places. If this is a science problem, you may need to round to the correct number of significant figures. If you don't know what significant figures are, don't worry about it and just round to two decimal places. side note: in the number 1,234.567 1 is in the thousands place 2 is in the hundreds place 3 in the tens place 4 in the ones place 5 in the tenths place 6 in the hundredths place 7 in the thousandths place
One significant figure round to 100?
100 is already rounded to one significant figure.
How do you round 12 to one significant figure?
It is 10
How do you round off 30.54 to one decimal place?
30.54 rounded to one decimal place = 30.5. Because the least significant digit is 4 it is rounded down. Had it been 5 or above the answer would have been rounded up to 30.6
How do you round 0.0001000 to one significant figure?
1.00 x 10-4
