Answer
A) 8.71 x 10 meters
B) 4.36 x 10^8 meters
C) 1.55 x 10^-2 meters
D) 9.01 x 10^3 meters
E) 1.78 x 10^-3 meters
F) 6.30 x 10^2 meters
Work Step by Step
The fourth significant digit is greater than 5, so you round up.
The fourth significant digit is less than 5, so you don't round up.
The fourth significant digit is less than 5, so you don't round up.
The fourth significant digit is greater than 5, so you round up.
The fourth significant digit is greater than 5, so you round up.
The fourth significant digits equals 5, so you round up.
