Question

15)Add 400 km 4 m, 400km 40 m. Express the answer in km. *

Answer 1

Answer:

$\color{black}\boxed{\colorbox{saffron}{1km=1000m}}$

↬400km 4m =40000m+4=40004m

↬400km 40m= 40000m+40= 40040 m

‎ ‎

‎ ‎

‎ ‎

Addition-

40004+40040

=80,044 m

$= \frac{80044}{1000} = 80.044 \: km$

‎ ‎

‎ ‎

Required Answer -

$\rightarrow$$\bold{80.044km}$

Answer 2

Step-by-step explanation:

\color{black}\boxed{\colorbox{saffron}{1km=1000m}}

↬400km 4m =40000m+4=40004m

↬400km 40m= 40000m+40= 40040 m

40004+40040

=80,044 m

= \frac{80044}{1000} = 80.044 \: km