here we need to solve the given value
[tex]A = \frac{(1.0 \times 10^9)(9.1 \times 10^{-5})}{1.4 \times 10^2}[/tex]
here all above is given with 2 significant digits
so we need to give our final answer by rounding off in 2 significant digits
here we will first multiply the numerator
[tex]A = \frac{9.1 \times 10^4}{1.4 \times 10^2}[/tex]
now we will perform the division
[tex]A = 6.5 \times 10^2[/tex]
so the final answer will be 6.5 \times 10^2
