0.01
1512 to 1 significant figure is 2000
Rounded to 1 significant figure it is 0.4
There is no such thing as a nearest significant figure. For sf (as with decimal places) it is necessary to specify how many. 0.00747 to 1 sf is 0.007, to 2 sf it is 0.0075, to 3 sf it is 0.00747, to 4 sf it is 0.007470 and so on.
7523987 rounded to one significant figure is: 8000000
0.00009893 to 1 significant figure = 0.0001
0009999 = 9999 is closer to 0.5
9000
0.6
You round to the nearest tens place. In this case, 738 rounded to one significant figure is 700.
I think your question is asking how you would round 17.521 to the nearest number with 1 significant figure...if that's the case, it would round to 10.
Put it on a calculator, you get 22.80677966 to the 5th significant figure, it is 22.807
Integers ending in a string of zeros are ambiguous. You cannot tell whether this number is accurate to the nearest hundred million (1 significant figure), to the nearest million (3 sf) or even the nearest unit (9 sf).
The significant figure of 37.753 to 1 significant figure is 40.
Integers ending in 0 are ambiguous since it is not possible to distinguish between a number accurate to the nearest unit and one rounded to the nearest 10. It has 1 significant figure, but could have 2 sf.
Truncated to one significant figure, it's 9,000 .Rounded to one significant figure, it's 10,000.
1000 is written with one significant figure, with only the 1 being a significant figure.
It has 1 significant figure.