Question

Round to 1 SF
4.131×10^4.

Answer 1

To round 4.131×10^4 to 1 significant figure, we round down and obtain 4×10^4.

Step-by-step explanation:

To round to 1 significant figure, we look at the digit in the first decimal place. If it is 5 or greater, we round up, and if it is less than 5, we round down. In this case, the digit in the first decimal place is 3, which is less than 5, so we round down.

Therefore, the rounded value of 4.131×10^4 to 1 significant figure is 4×10^4.