Listen

Profile Level Notes:

The elevation of BMA$={522\mathrm{.}71}^{\text{'}}$

$BS($plus sight$)$ on BMA$={9\mathrm{.}97}^{\text{'}}$

IFS $($minus sight$)$ on STA $0+00={9\mathrm{.}54}^{\text{'}}$

IFS $($minus sight$)$ on STA $1+00={8\mathrm{.}64}^{\text{'}}$

What is the elevation of the STA $1+00?$

Answer to $2_{{?}^{?}}(nd)$ decimal place $-$ example $110\mathrm{.}15-$ don't enter units

Your Answer: