50/25=.5
.5*90= 45
45 miles in 1 1/2 hours
Grouping similar factors together makes this easier:
(8)(2)(10^7)(10^6) = 16(10^13) = 1.6(10^14)
Answer:
(b) The planet's mass =10.241032 kilograms.
Step-by-step explanation:
Here, the mass of Neptune = 1024 1032 milligrams
Also, given: 1 milligram = 0.0000001 kilograms.
or, 1 milligram =
kilograms.
Now, to convert 1024 1032 milligrams in to kilograms, we get:
1024 1032 milligrams =
kilograms.
Now solving
, we get:
kilograms.
Hence the planet's mass =10.241032 kilograms.
U ask someone who can read ur paper it's kinda blurry