2 significant figures.
450
No, it has two. The zero is a placeholder.
9,682 rounded to three significant figures is 9,680.
A number of significant events happened in the year 450. The Saxons invaded Britain meaning the end of the Old English Period. Also the Hawaiian islands were first discovered.
450
0.0451. 450 has two significant figures, 32.10 and 370.0 each have four.
There are 2.3888... 450 in 1075 1075 ÷ 450 = 2.3888...
The answer depends on 450 what. 450 hectolitres, 450 litres, 450 gallons or whatever will all give different answers.
45000 ÷ 100 = 450
450 of them.
450 prophets is the answer :)