Well, darling, if you want to round 38562.7 to 1 significant figure, you'd end up with 40000. Yes, you heard me right, 40,000. That's just the way the cookie crumbles when it comes to significant figures.
When expressing 38562.7 to 1 significant figure, we must round the number to the nearest power of 10. In this case, the first significant figure is 3. The digit to its right, 8, is greater than or equal to 5, so we round up. Therefore, 38562.7 to 1 significant figure is 4 x 10^4 or simply 40000.
It has 1 significant figure.
4252 to 1 significant figure is 4000.
9753261 to 1 significant figure is 10,000,000
1150 to 1 significant figure is 1000
0.019 to 1 significant figure is 0.02 (significant figure is counted from the left with 1st significant being the first non-zero from the left)
37.753 rounded to one significant figure becomes 40
It has 1 significant figure.
4252 to 1 significant figure is 4000.
4916 to 1 significant figure is 5000
Rounded to 1 significant figure it is 0.4
9753261 to 1 significant figure is 10,000,000
1150 to 1 significant figure is 1000
654 rounded to one significant figure becomes 700.
1534 to 1 significant figure is 2000.
0.00009893 to 1 significant figure = 0.0001
6694 rounded to 1 significant figure is 7000
10920 to 1 significant figure is 10000