Evaluate \(\frac{6.3 \times 10^5}{8.1 \times 10^3}\) to 3 significant fiqures
A
77.80
B
778.0
C
7.870
D
8.770
E
88.70
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
\(\frac{6.3 \times 10^5}{8.1 \times 10^3}\)
\(\frac{7}{9} \times 10^{2}\)
= \(0.77778 \times 10^{2}\)
= \(77.778 \approxeq 77.80\)
Source: Myschool Past Questions Archive (Record #32590)