Answer: The girls walked
miles.
Step-by-step explanation:
Given: Distance from home to school =
mile
Distance from school to store =
mile
Distance from store to home =
miles
Total distance = 
=
[L.C.M.(10,8,5)=40]
=
=
=
miles
Hence, The girls walked
miles.
Nty just putting an answer though you know?
Do the exponents first. 10 to the -4 is 1/10000 or 0.0001 and 10^ -5 is 0.00001. You end up with (1.7*0.0001)(5*0.00001) which is 0.00017*0.00005 which is 0.0000000085 or 0.085*10^-8