It then is 40000 to one significant figure
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
100 is already rounded to one significant figure.
It is 10
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
1.00 x 10-4
To round 350 to one sig fig, you will round to the hundreds place. 350 rounds up to 400 which is one sig fig.
You round to the nearest tens place. In this case, 738 rounded to one significant figure is 700.
200 Explanation: 2 is the one significant figure. The zeros are not significant. Round up because it is closer to 200 than to 100.
100 is already rounded to one significant figure.
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
0.4
It is 10
0.04
0.04
to round 68.4 to one decimal place = 68.4
Round 10.99557429 to one decimal place is 11.0
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